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Meningitis

Index Meningitis

Meningitis is an acute inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges. [1]

291 relations: Abnormal posturing, Aciclovir, Acute (medicine), Adrenal gland, African meningitis belt, Altered level of consciousness, Amoeba, Amphotericin B, Ampicillin, Ancient Greek, Angiostrongylus cantonensis, Antibiotic, Anticonvulsant, Antifungal, Antiserum, Antiviral drug, Anton Weichselbaum, Apoptosis, Arachnoid mater, Aseptic meningitis, Astrocyte, Autopsy, Avicenna, Bacteria, Basilar skull fracture, Baylisascaris procyonis, BCG vaccine, Behçet's disease, Benzylpenicillin, Birth defect, Blastomyces dermatitidis, Blood culture, Blood pressure, Blood sugar level, Blood test, Blood vessel, Blood–brain barrier, Borrelia burgdorferi, Brain, Brain herniation, Brain tumor, Brainstem, Brudziński's sign, C-reactive protein, Cancer, Candida (fungus), Cefotaxime, Ceftriaxone, Cell membrane, Centers for Disease Control and Prevention, ..., Central nervous system, Cephalosporin, Cerebral edema, Cerebral perfusion pressure, Cerebral shunt, Cerebral vasculitis, Cerebral venous sinus thrombosis, Cerebrospinal fluid, Chickenpox, Chile, Chloramphenicol, Choroid plexus, Ciprofloxacin, Clinical trial, Coagulation, Coccidioides immitis, Cochlear implant, Cognitive deficit, Common cold, Complement deficiency, Complete blood count, Confusion, Consciousness, Corticosteroid, Cranial nerves, Cryptococcosis, Cryptococcus neoformans, CSF albumin, CSF glucose, CT scan, Cuba, Cysticercosis, Cytokine, Dermoid cyst, Developmental disability, Dexamethasone, Disseminated intravascular coagulation, Drug, Dura mater, Edema, Empiric therapy, Encephalitis, Endocarditis, Enterovirus, Eosinophil, Epidermoid cyst, Epilepsy, Epileptic seizure, Eradication of infectious diseases, Escherichia coli, External ventricular drain, Fever, Flucytosine, Focal seizure, Fontanelle, Fungal meningitis, Fungus, Gangrene, Gastrointestinal tract, Geneva, Genital herpes, Ghana, Glucocorticoid, Glucose, Gnathostoma spinigerum, Gram stain, Gram-negative bacteria, Haemophilus, Haemophilus influenzae, Hajj, Hand, foot, and mouth disease, Head injury, Headache, Health care, Hearing loss, Heart valve, Hemodynamics, Herpes simplex virus, Hib vaccine, Hippocrates, Histoplasma capsulatum, HIV, HIV/AIDS, Human leg, Human skin color, Hydrocephalus, Hyponatremia, Hypotension, Immune system, Immunization, Immunodeficiency, Immunogenicity, Immunoglobulin therapy, Immunosuppressive drug, Incidence (epidemiology), India ink, Infant, Infection, Infectious disease (medical specialty), Inflammation, Influenza, Injury, Intensive care unit, Intracranial pressure, Intravenous therapy, Irritability, JAMA (journal), Lactic acid, Latex fixation test, Learning disability, Limulus amebocyte lysate, Listeria monocytogenes, Listeriosis, Local anesthetic, Lumbar puncture, Lyme disease, Lymphocyte, Lymphocytic choriomeningitis, Magnetic resonance imaging, Malaria, Mannitol, Mastoiditis, Mechanical ventilation, Medical emergency, Medication, MenAfriVac, Meninges, Meningism, Meningococcal disease, Meningococcal vaccine, Microbiological culture, Microglia, Microorganism, Migraine, Mollaret's meningitis, Mortality rate, Mucous membrane, Mumps, Mumps vaccine, Muscle tone, Mycobacterium tuberculosis, Naegleria fowleri, Naegleriasis, Nasal cavity, Neck stiffness, Neisseria meningitidis, Neoplasm, Neoplastic meningitis, Nervous system, Neuroleptic malignant syndrome, Neurology, Neuron, Neurosarcoidosis, Neurosurgery, Neutrophil, New England Compounding Center meningitis outbreak, New Zealand, Nigeria, Non-blanching rash, Nonsteroidal anti-inflammatory drug, Norway, Notifiable disease, Ommaya reservoir, Organ transplantation, Otitis media, Paragonimiasis, Paranasal sinuses, Penicillin, Petrous part of the temporal bone, Phonophobia, Photophobia, Pia mater, Pleocytosis, Pneumococcal conjugate vaccine, Pneumococcal polysaccharide vaccine, Pneumococcal vaccine, Polymerase chain reaction, Poverty, Pressure measurement, Preterm birth, Programmed cell death, Protein, Protozoa, Pseudomonas, Pupillary light reflex, Purpura, Pus, Rabbit, Rash, Red blood cell, Respiratory failure, Rifampicin, Robert Whytt, Sarcoidosis, Schistosoma, Sensitivity and specificity, Sensorineural hearing loss, Sepsis, Serology, Shingles, Shock (circulatory), Simon Flexner, Sinusitis, Skull fracture, Spinal canal, Spinal cord, Spirochaete, Splenectomy, Staphylococcus, Steroid, Streptococcus agalactiae, Streptococcus pneumoniae, Sub-Saharan Africa, Supine position, Symptom, Syndrome of inappropriate antidiuretic hormone secretion, Syphilis, Systemic inflammatory response syndrome, Systemic lupus erythematosus, Tachycardia, Tachypnea, Thecal sac, Thrombosis, Toxocariasis, Treponema pallidum, Tuberculosis, Tuberculous meningitis, United Kingdom, Vaccination, Vagina, Vancomycin, Varicella zoster virus, Vasculitis, Vasopressin, Viral meningitis, Virus, Waterhouse–Friderichsen syndrome, Western world, White blood cell, World Bank high-income economy, Ziehl–Neelsen stain. Expand index (241 more) »

Abnormal posturing

Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.

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Aciclovir

Aciclovir (ACV), also known as acyclovir, is an antiviral medication.

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Acute (medicine)

In medicine, describing a disease as acute denotes that it is of short duration and, as a corollary of that, of recent onset.

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Adrenal gland

The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol.

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African meningitis belt

The African meningitis belt is a region in sub-Saharan Africa where the rate of incidence of meningitis is very high.

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Altered level of consciousness

An altered level of consciousness is any measure of arousal other than normal.

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Amoeba

An amoeba (rarely spelled amœba, US English spelled ameba; plural am(o)ebas or am(o)ebae), often called amoeboid, is a type of cell or organism which has the ability to alter its shape, primarily by extending and retracting pseudopods.

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Amphotericin B

Amphotericin B is an antifungal medication used for serious fungal infections and leishmaniasis.

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Ampicillin

Ampicillin is an antibiotic used to prevent and treat a number of bacterial infections, such as respiratory tract infections, urinary tract infections, meningitis, salmonellosis, and endocarditis.

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Ancient Greek

The Ancient Greek language includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BC to the 6th century AD.

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Angiostrongylus cantonensis

Angiostrongylus cantonensis is a parasitic nematode (roundworm) that causes angiostrongyliasis, the most common cause of eosinophilic meningitis in Southeast Asia and the Pacific Basin.

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Antibiotic

An antibiotic (from ancient Greek αντιβιοτικά, antibiotiká), also called an antibacterial, is a type of antimicrobial drug used in the treatment and prevention of bacterial infections.

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Anticonvulsant

Anticonvulsants (also commonly known as antiepileptic drugs or as antiseizure drugs) are a diverse group of pharmacological agents used in the treatment of epileptic seizures.

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Antifungal

An antifungal medication, also known as an antimycotic medication, is a pharmaceutical fungicide or fungistatic used to treat and prevent mycosis such as athlete's foot, ringworm, candidiasis (thrush), serious systemic infections such as cryptococcal meningitis, and others.

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Antiserum

Antiserum (plural: antisera) is human or nonhuman blood serum containing polyclonal antibodies and is used to pass on passive immunity to many diseases.

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Antiviral drug

Antiviral drugs are a class of medication used specifically for treating viral infections rather than bacterial ones.

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Anton Weichselbaum

Anton Weichselbaum (8 February 1845 – 23 October 1920) was an Austrian pathologist and bacteriologist born near the town of Langenlois.

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Apoptosis

Apoptosis (from Ancient Greek ἀπόπτωσις "falling off") is a process of programmed cell death that occurs in multicellular organisms.

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Arachnoid mater

The arachnoid mater is one of the three meninges, the protective membranes that cover the brain and spinal cord.

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Aseptic meningitis

Aseptic meningitis is the inflammation of the meninges, a membrane covering the brain and spinal cord in patients whose cerebral spinal fluid test negative with routine bacterial cultures.

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Astrocyte

Astrocytes (Astro from Greek astron.

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Autopsy

An autopsy (post-mortem examination, obduction, necropsy, or autopsia cadaverum) is a highly specialized surgical procedure that consists of a thorough examination of a corpse by dissection to determine the cause and manner of death or to evaluate any disease or injury that may be present for research or educational purposes.

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Avicenna

Avicenna (also Ibn Sīnā or Abu Ali Sina; ابن سینا; – June 1037) was a Persian polymath who is regarded as one of the most significant physicians, astronomers, thinkers and writers of the Islamic Golden Age.

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Bacteria

Bacteria (common noun bacteria, singular bacterium) is a type of biological cell.

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Basilar skull fracture

A basilar skull fracture is a break of a bone in the base of the skull.

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Baylisascaris procyonis

Baylisascaris procyonis, common name raccoon roundworm, is a roundworm nematode, found ubiquitously in raccoons, the definitive hosts.

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BCG vaccine

Bacillus Calmette–Guérin (BCG) vaccine is a vaccine primarily used against tuberculosis (TB).

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Behçet's disease

Behçet's disease (BD) is a type of inflammatory disorder which affects multiple parts of the body.

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Benzylpenicillin

Benzylpenicillin, also known as penicillin G, is an antibiotic used to treat a number of bacterial infections.

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Birth defect

A birth defect, also known as a congenital disorder, is a condition present at birth regardless of its cause.

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Blastomyces dermatitidis

Blastomyces dermatitidis is the causal agent of blastomycosis, an invasive and often serious fungal infection found occasionally in humans and other animals in regions where the fungus is endemic.

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Blood culture

Blood culture is a microbiological culture of blood.

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Blood pressure

Blood pressure (BP) is the pressure of circulating blood on the walls of blood vessels.

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Blood sugar level

The blood sugar level, blood sugar concentration, or blood glucose level is the amount of glucose present in the blood of humans and other animals.

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Blood test

A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick.

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Blood vessel

The blood vessels are the part of the circulatory system, and microcirculation, that transports blood throughout the human body.

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Blood–brain barrier

The blood–brain barrier (BBB) is a highly selective semipermeable membrane barrier that separates the circulating blood from the brain and extracellular fluid in the central nervous system (CNS).

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Borrelia burgdorferi

Borrelia burgdorferi is a bacterial species of the spirochete class of the genus Borrelia.

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Brain

The brain is an organ that serves as the center of the nervous system in all vertebrate and most invertebrate animals.

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Brain herniation

Brain herniation is a potentially deadly side effect of very high pressure within the skull that occurs when a part of the brain is squeezed across structures within the skull.

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Brain tumor

A brain tumor occurs when abnormal cells form within the brain.

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Brainstem

The brainstem (or brain stem) is the posterior part of the brain, adjoining and structurally continuous with the spinal cord.

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Brudziński's sign

Brudziński's sign or a Brudziński sign is any of three medical signs, all of which may occur in meningitis or meningism.

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C-reactive protein

C-reactive protein (CRP) is an annular (ring-shaped), pentameric protein found in blood plasma, whose levels rise in response to inflammation.

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Cancer

Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body.

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Candida (fungus)

Candida is a genus of yeasts and is the most common cause of fungal infections worldwide.

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Cefotaxime

Cefotaxime is an antibiotic used to treat a number of bacterial infections.

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Ceftriaxone

Ceftriaxone, sold under the trade name Rocephin, is an antibiotic useful for the treatment of a number of bacterial infections.

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Cell membrane

The cell membrane (also known as the plasma membrane or cytoplasmic membrane, and historically referred to as the plasmalemma) is a biological membrane that separates the interior of all cells from the outside environment (the extracellular space).

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Centers for Disease Control and Prevention

The Centers for Disease Control and Prevention (CDC) is the leading national public health institute of the United States.

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Central nervous system

The central nervous system (CNS) is the part of the nervous system consisting of the brain and spinal cord.

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Cephalosporin

The cephalosporins (sg.) are a class of β-lactam antibiotics originally derived from the fungus Acremonium, which was previously known as "Cephalosporium".

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Cerebral edema

Cerebral edema is excess accumulation of fluid in the intracellular or extracellular spaces of the brain.

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Cerebral perfusion pressure

Cerebral perfusion pressure, or CPP, is the net pressure gradient causing cerebral blood flow to the brain (brain perfusion).

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Cerebral shunt

Cerebral shunts are commonly used to treat hydrocephalus, the swelling of the brain due to excess buildup of cerebrospinal fluid (CSF).

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Cerebral vasculitis

Cerebral vasculitis or central nervous system vasculitis (sometimes the word angiitis is used instead of "vasculitis") is vasculitis (inflammation of the blood vessel wall) involving the brain and occasionally the spinal cord.

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Cerebral venous sinus thrombosis

Cerebral venous sinus thrombosis (CVST) is the presence of a blood clot in the dural venous sinuses, which drain blood from the brain.

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Cerebrospinal fluid

Cerebrospinal fluid (CSF) is a clear, colorless body fluid found in the brain and spinal cord.

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Chickenpox

Chickenpox, also known as varicella, is a highly contagious disease caused by the initial infection with varicella zoster virus (VZV).

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Chile

Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west.

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Chloramphenicol

Chloramphenicol is an antibiotic useful for the treatment of a number of bacterial infections.

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Choroid plexus

The choroid plexus is a plexus of cells that produces the cerebrospinal fluid in the ventricles of the brain.

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Ciprofloxacin

Ciprofloxacin is an antibiotic used to treat a number of bacterial infections.

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Clinical trial

Clinical trials are experiments or observations done in clinical research.

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Coagulation

Coagulation (also known as clotting) is the process by which blood changes from a liquid to a gel, forming a blood clot.

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Coccidioides immitis

Coccidioides immitis is a pathogenic fungus that resides in the soil in certain parts of the southwestern United States, northern Mexico, and a few other areas in the Western Hemisphere.

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Cochlear implant

A cochlear implant (CI) is a surgically implanted electronic device that provides a sense of sound to a person with severe to profound sensorineural hearing loss in both ears.

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Cognitive deficit

Cognitive deficit or cognitive impairment is an inclusive term to describe any characteristic that acts as a barrier to the cognition process.

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Common cold

The common cold, also known simply as a cold, is a viral infectious disease of the upper respiratory tract that primarily affects the nose.

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Complement deficiency

Complement deficiency is an immunodeficiency of absent or suboptimal functioning of one of the complement system proteins.

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Complete blood count

A complete blood count (CBC), also known as a complete blood cell count, full blood count (FBC), or full blood exam (FBE), is a blood panel requested by a doctor or other medical professional that gives information about the cells in a patient's blood, such as the cell count for each cell type and the concentrations of various proteins and minerals.

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Confusion

Confusion (from Latin confusĭo, -ōnis, from confundere: "to pour together;" "to mingle together;" "to confuse") is the state of being bewildered or unclear in one’s mind about something.

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Consciousness

Consciousness is the state or quality of awareness, or, of being aware of an external object or something within oneself.

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Corticosteroid

Corticosteroids are a class of steroid hormones that are produced in the adrenal cortex of vertebrates, as well as the synthetic analogues of these hormones.

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Cranial nerves

Cranial nerves are the nerves that emerge directly from the brain (including the brainstem), in contrast to spinal nerves (which emerge from segments of the spinal cord).

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Cryptococcosis

Cryptococcosis, also known as cryptococcal disease, is a potentially fatal fungal disease.

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Cryptococcus neoformans

Cryptococcus neoformans is an encapsulated yeast and an obligate aerobe that can live in both plants and animals.

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CSF albumin

CSF albumin is a measurement used to determine the levels of albumin in cerebrospinal fluid.

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CSF glucose

CSF glucose or glycorrhachia is a measurement used to determine the concentration of glucose in cerebrospinal fluid (CSF).

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CT scan

A CT scan, also known as computed tomography scan, makes use of computer-processed combinations of many X-ray measurements taken from different angles to produce cross-sectional (tomographic) images (virtual "slices") of specific areas of a scanned object, allowing the user to see inside the object without cutting.

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Cuba

Cuba, officially the Republic of Cuba, is a country comprising the island of Cuba as well as Isla de la Juventud and several minor archipelagos.

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Cysticercosis

Cysticercosis is a tissue infection caused by the young form of the pork tapeworm.

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Cytokine

Cytokines are a broad and loose category of small proteins (~5–20 kDa) that are important in cell signaling.

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Dermoid cyst

A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues.

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Developmental disability

Developmental disability is a diverse group of chronic conditions that are due to mental or physical impairments that arise before adulthood.

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Dexamethasone

Dexamethasone is a type of corticosteroid medication.

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Disseminated intravascular coagulation

Disseminated intravascular coagulation (DIC) is a condition in which blood clots form throughout the body, blocking small blood vessels.

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Drug

A drug is any substance (other than food that provides nutritional support) that, when inhaled, injected, smoked, consumed, absorbed via a patch on the skin, or dissolved under the tongue causes a temporary physiological (and often psychological) change in the body.

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Dura mater

Dura mater, or dura, is a thick membrane made of dense irregular connective tissue that surrounds the brain and spinal cord.

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Edema

Edema, also spelled oedema or œdema, is an abnormal accumulation of fluid in the interstitium, located beneath the skin and in the cavities of the body, which can cause severe pain.

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Empiric therapy

Empiric therapy or empirical therapy is therapy based on experience and, more specifically, therapy begun on the basis of a clinical educated guess in the absence of complete or perfect information.

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Encephalitis

Encephalitis is inflammation of the brain.

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Endocarditis

Endocarditis is an inflammation of the inner layer of the heart, the endocardium.

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Enterovirus

Enteroviruses are a genus of positive-sense single-stranded RNA viruses associated with several human and mammalian diseases.

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Eosinophil

Eosinophils sometimes called eosinophiles or, less commonly, acidophils, are a variety of white blood cells and one of the immune system components responsible for combating multicellular parasites and certain infections in vertebrates. Along with mast cells and basophils, they also control mechanisms associated with allergy and asthma. They are granulocytes that develop during hematopoiesis in the bone marrow before migrating into blood, after which they are terminally differentiated and do not multiply. These cells are eosinophilic or "acid-loving" due to their large acidophilic cytoplasmic granules, which show their affinity for acids by their affinity to coal tar dyes: Normally transparent, it is this affinity that causes them to appear brick-red after staining with eosin, a red dye, using the Romanowsky method. The staining is concentrated in small granules within the cellular cytoplasm, which contain many chemical mediators, such as eosinophil peroxidase, ribonuclease (RNase), deoxyribonucleases (DNase), lipase, plasminogen, and major basic protein. These mediators are released by a process called degranulation following activation of the eosinophil, and are toxic to both parasite and host tissues. In normal individuals, eosinophils make up about 1–3% of white blood cells, and are about 12–17 micrometres in size with bilobed nuclei. While they are released into the bloodstream as neutrophils are, eosinophils reside in tissue They are found in the medulla and the junction between the cortex and medulla of the thymus, and, in the lower gastrointestinal tract, ovary, uterus, spleen, and lymph nodes, but not in the lung, skin, esophagus, or some other internal organs under normal conditions. The presence of eosinophils in these latter organs is associated with disease. For instance, patients with eosinophilic asthma have high levels of eosinophils that lead to inflammation and tissue damage, making it more difficult for patients to breathe. Eosinophils persist in the circulation for 8–12 hours, and can survive in tissue for an additional 8–12 days in the absence of stimulation. Pioneering work in the 1980s elucidated that eosinophils were unique granulocytes, having the capacity to survive for extended periods of time after their maturation as demonstrated by ex-vivo culture experiments.

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Epidermoid cyst

An epidermoid cyst or epidermal inclusion cyst is a benign cyst usually found on the skin.

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Epilepsy

Epilepsy is a group of neurological disorders characterized by epileptic seizures.

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Epileptic seizure

An epileptic seizure is a brief episode of signs or symptoms due to abnormally excessive or synchronous neuronal activity in the brain.

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Eradication of infectious diseases

Eradication is the reduction of an infectious disease's prevalence in the global host population to zero.

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Escherichia coli

Escherichia coli (also known as E. coli) is a Gram-negative, facultatively anaerobic, rod-shaped, coliform bacterium of the genus Escherichia that is commonly found in the lower intestine of warm-blooded organisms (endotherms).

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External ventricular drain

An external ventricular drain (EVD), also known as a ventriculostomy or extraventricular drain, is a device used in neurosurgery to treat hydrocephalus and relieve elevated intracranial pressure when the normal flow of cerebrospinal fluid (CSF) inside the brain is obstructed.

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Fever

Fever, also known as pyrexia and febrile response, is defined as having a temperature above the normal range due to an increase in the body's temperature set-point.

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Flucytosine

Flucytosine, also known as 5-fluorocytosine (5-FC), is an antifungal medication.

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Focal seizure

Focal seizures (also called partial seizures and localized seizures) are seizures which affect initially only one hemisphere of the brain.

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Fontanelle

A fontanelle (or fontanel) (colloquially, soft spot) is an anatomical feature of the infant human skull comprising any of the soft membranous gaps (sutures) between the cranial bones that make up the calvaria of a fetus or an infant.

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Fungal meningitis

Fungal meningitis refers to meningitis caused by a fungal infection.

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Fungus

A fungus (plural: fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms.

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Gangrene

Gangrene is a type of tissue death caused by a lack of blood supply.

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Gastrointestinal tract

The gastrointestinal tract (digestive tract, digestional tract, GI tract, GIT, gut, or alimentary canal) is an organ system within humans and other animals which takes in food, digests it to extract and absorb energy and nutrients, and expels the remaining waste as feces.

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Geneva

Geneva (Genève, Genèva, Genf, Ginevra, Genevra) is the second-most populous city in Switzerland (after Zürich) and the most populous city of the Romandy, the French-speaking part of Switzerland.

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Genital herpes

Genital herpes is an infection by herpes simplex virus (HSV) of the genitals.

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Ghana

Ghana, officially the Republic of Ghana, is a unitary presidential constitutional democracy, located along the Gulf of Guinea and Atlantic Ocean, in the subregion of West Africa.

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Glucocorticoid

Glucocorticoids are a class of corticosteroids, which are a class of steroid hormones.

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Glucose

Glucose is a simple sugar with the molecular formula C6H12O6.

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Gnathostoma spinigerum

Gnathostoma spinigerum is a parasitic nematode that causes gnathostomiasis in humans, also known as its clinical manifestations are creeping eruption, larva migrans, Yangtze edema, Choko-Fuschu Tua chid and wandering swelling.

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Gram stain

Gram stain or Gram staining, also called Gram's method, is a method of staining used to distinguish and classify bacterial species into two large groups (gram-positive and gram-negative).

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Gram-negative bacteria

Gram-negative bacteria are bacteria that do not retain the crystal violet stain used in the gram-staining method of bacterial differentiation.

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Haemophilus

Haemophilus is a genus of Gram-negative, pleomorphic, coccobacilli bacteria belonging to the family Pasteurellaceae.

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Haemophilus influenzae

Haemophilus influenzae (formerly called Pfeiffer's bacillus or Bacillus influenzae) is a Gram-negative, coccobacillary, facultatively anaerobic pathogenic bacterium belonging to the Pasteurellaceae family.

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Hajj

The Hajj (حَجّ "pilgrimage") is an annual Islamic pilgrimage to Mecca, the holiest city for Muslims, and a mandatory religious duty for Muslims that must be carried out at least once in their lifetime by all adult Muslims who are physically and financially capable of undertaking the journey, and can support their family during their absence.

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Hand, foot, and mouth disease

Hand, foot, and mouth disease (HFMD) is a common infection caused by a group of viruses.

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Head injury

A head injury is any injury that results in trauma to the skull or brain.

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Headache

Headache is the symptom of pain anywhere in the region of the head or neck.

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Health care

Health care or healthcare is the maintenance or improvement of health via the prevention, diagnosis, and treatment of disease, illness, injury, and other physical and mental impairments in human beings.

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Hearing loss

Hearing loss, also known as hearing impairment, is a partial or total inability to hear.

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Heart valve

A heart valve normally allows blood to flow in only one direction through the heart.

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Hemodynamics

Hemodynamics or hæmodynamics is the dynamics of blood flow.

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Herpes simplex virus

Herpes simplex virus 1 and 2 (HSV-1 and HSV-2), also known as human herpesvirus 1 and 2 (HHV-1 and HHV-2), are two members of the herpesvirus family, Herpesviridae, that infect humans.

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Hib vaccine

The Haemophilus influenzae type B vaccine, often called Hib vaccine, is a vaccine used to prevent Haemophilus influenzae type b (Hib) infection.

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Hippocrates

Hippocrates of Kos (Hippokrátēs ho Kṓos), also known as Hippocrates II, was a Greek physician of the Age of Pericles (Classical Greece), and is considered one of the most outstanding figures in the history of medicine.

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Histoplasma capsulatum

Histoplasma capsulatum is a species of dimorphic fungi.

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HIV

The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and over time acquired immunodeficiency syndrome (AIDS).

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HIV/AIDS

Human immunodeficiency virus infection and acquired immune deficiency syndrome (HIV/AIDS) is a spectrum of conditions caused by infection with the human immunodeficiency virus (HIV).

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Human leg

The human leg, in the general meaning, is the entire lower limb of the human body, including the foot, thigh and even the hip or gluteal region.

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Human skin color

Human skin color ranges in variety from the darkest brown to the lightest hues.

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Hydrocephalus

Hydrocephalus is a condition in which there is an accumulation of cerebrospinal fluid (CSF) within the brain.

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Hyponatremia

Hyponatremia is a low sodium level in the blood.

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Hypotension

Hypotension is low blood pressure, especially in the arteries of the systemic circulation.

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Immune system

The immune system is a host defense system comprising many biological structures and processes within an organism that protects against disease.

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Immunization

Immunization, or immunisation, is the process by which an individual's immune system becomes fortified against an agent (known as the immunogen).

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Immunodeficiency

Immunodeficiency (or immune deficiency) is a state in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent.

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Immunogenicity

Immunogenicity is the ability of a particular substance, such as an antigen or epitope, to provoke an immune response in the body of a human and other animal.

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Immunoglobulin therapy

Immunoglobulin therapy, also known as normal human immunoglobulin (NHIG), is the use of a mixture of antibodies (immunoglobulins) to treat a number of health conditions.

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Immunosuppressive drug

Immunosuppressive drugs or immunosuppressive agents or antirejection medications are drugs that inhibit or prevent activity of the immune system.

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Incidence (epidemiology)

Incidence in epidemiology is a measure of the probability of occurrence of a given medical condition in a population within a specified period of time.

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India ink

India ink (British English: Indian Ink; also Chinese ink) is a simple black or colored ink once widely used for writing and printing and now more commonly used for drawing and outlining, especially when inking comic books and comic strips.

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Infant

An infant (from the Latin word infans, meaning "unable to speak" or "speechless") is the more formal or specialised synonym for "baby", the very young offspring of a human.

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Infection

Infection is the invasion of an organism's body tissues by disease-causing agents, their multiplication, and the reaction of host tissues to the infectious agents and the toxins they produce.

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Infectious disease (medical specialty)

Infectious disease, also known as infectious diseases, infectious medicine, infectious disease medicine or infectiology, is a medical specialty dealing with the diagnosis, control and treatment of infections.

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Inflammation

Inflammation (from inflammatio) is part of the complex biological response of body tissues to harmful stimuli, such as pathogens, damaged cells, or irritants, and is a protective response involving immune cells, blood vessels, and molecular mediators.

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Influenza

Influenza, commonly known as "the flu", is an infectious disease caused by an influenza virus.

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Injury

Injury, also known as physical trauma, is damage to the body caused by external force.

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Intensive care unit

Intensive care unit An intensive care unit (ICU), also known as an intensive therapy unit or intensive treatment unit (ITU) or critical care unit (CCU), is a special department of a hospital or health care facility that provides intensive treatment medicine.

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Intracranial pressure

Intracranial pressure (ICP) is the pressure inside the skull and thus in the brain tissue and cerebrospinal fluid (CSF).

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Intravenous therapy

Intravenous therapy (IV) is a therapy that delivers liquid substances directly into a vein (intra- + ven- + -ous).

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Irritability

Irritability is the excitatory ability that living organisms have to respond to changes in their environment.

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JAMA (journal)

JAMA: The Journal of the American Medical Association is a peer-reviewed medical journal published 48 times a year by the American Medical Association.

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Lactic acid

Lactic acid is an organic compound with the formula CH3CH(OH)COOH.

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Latex fixation test

A latex fixation test, also called a latex agglutination assay or test (LA assay or test), is an assay used clinically in the identification and typing of many important microorganisms.

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Learning disability

Learning disability is a classification that includes several areas of functioning in which a person has difficulty learning in a typical manner, usually caused by an unknown factor or factors.

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Limulus amebocyte lysate

Limulus amebocyte lysate (LAL) is an aqueous extract of blood cells (amoebocytes) from the Atlantic horseshoe crab, Limulus polyphemus.

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Listeria monocytogenes

Listeria monocytogenes is the species of pathogenic bacteria that causes the infection listeriosis.

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Listeriosis

Listeriosis is a bacterial infection most commonly caused by Listeria monocytogenes, although L. ivanovii and L. grayi have been reported in certain cases.

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Local anesthetic

A local anesthetic (LA) is a medication that causes reversible absence of pain sensation, although other senses are often affected, as well.

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Lumbar puncture

Lumbar puncture (LP), also known as a spinal tap, is a medical procedure in which a needle is inserted into the spinal canal, most commonly to collect cerebrospinal fluid (CSF) for diagnostic testing.

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Lyme disease

Lyme disease, also known as Lyme borreliosis, is an infectious disease caused by bacteria of the Borrelia type which is spread by ticks.

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Lymphocyte

A lymphocyte is one of the subtypes of white blood cell in a vertebrate's immune system.

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Lymphocytic choriomeningitis

Lymphocytic choriomeningitis (LCM) is a rodent-borne viral infectious disease that presents as aseptic meningitis, encephalitis or meningoencephalitis.

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Magnetic resonance imaging

Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease.

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Malaria

Malaria is a mosquito-borne infectious disease affecting humans and other animals caused by parasitic protozoans (a group of single-celled microorganisms) belonging to the Plasmodium type.

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Mannitol

Mannitol is a type of sugar alcohol which is also used as a medication.

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Mastoiditis

Mastoiditis is the result of an infection that extends to the air cells of the skull behind the ear.

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Mechanical ventilation

Mechanical ventilation is the medical term for artificial ventilation where mechanical means is used to assist or replace spontaneous breathing. This may involve a machine called a ventilator or the breathing may be assisted by an anesthesiologist, certified registered nurse anesthetist, physician, physician assistant, respiratory therapist, paramedic, EMT, or other suitable person compressing a bag or set of bellows. Mechanical ventilation is termed "invasive" if it involves any instrument penetrating the trachea through the mouth, such as an endotracheal tube or the skin, such as a tracheostomy tube. There are two main types: positive pressure ventilation, where air (or another gas mix) is pushed into the trachea, and negative pressure ventilation, where air is, in essence, sucked into the lungs. There are many modes of mechanical ventilation, and their nomenclature has been revised over the decades as the technology has continually developed.

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Medical emergency

A medical emergency is an acute injury or illness that poses an immediate risk to a person's life or long-term health.

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Medication

A medication (also referred to as medicine, pharmaceutical drug, or simply drug) is a drug used to diagnose, cure, treat, or prevent disease.

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MenAfriVac

MenAfriVac is a vaccine developed for use in sub-Saharan Africa for children and adults between 9 months and 29 years of age against meningococcal bacterium Neisseria meningitidis group A. The vaccine costs less than US$0.50 per dose.

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Meninges

The meninges (singular: meninx, from membrane, adjectival: meningeal) are the three membranes that envelop the brain and spinal cord.

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Meningism

Meningism, also called meningismus or pseudomeningitis, is a set of symptoms similar to those of meningitis but not caused by meningitis.

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Meningococcal disease

Meningococcal disease describes infections caused by the bacterium Neisseria meningitidis (also termed meningococcus).

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Meningococcal vaccine

Meningococcal vaccine refers to any of the vaccines used to prevent infection by Neisseria meningitidis.

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Microbiological culture

A microbiological culture, or microbial culture, is a method of multiplying microbial organisms by letting them reproduce in predetermined culture medium under controlled laboratory conditions.

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Microglia

Microglia are a type of neuroglia (glial cell) located throughout the brain and spinal cord.

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Microorganism

A microorganism, or microbe, is a microscopic organism, which may exist in its single-celled form or in a colony of cells. The possible existence of unseen microbial life was suspected from ancient times, such as in Jain scriptures from 6th century BC India and the 1st century BC book On Agriculture by Marcus Terentius Varro. Microbiology, the scientific study of microorganisms, began with their observation under the microscope in the 1670s by Antonie van Leeuwenhoek. In the 1850s, Louis Pasteur found that microorganisms caused food spoilage, debunking the theory of spontaneous generation. In the 1880s Robert Koch discovered that microorganisms caused the diseases tuberculosis, cholera and anthrax. Microorganisms include all unicellular organisms and so are extremely diverse. Of the three domains of life identified by Carl Woese, all of the Archaea and Bacteria are microorganisms. These were previously grouped together in the two domain system as Prokaryotes, the other being the eukaryotes. The third domain Eukaryota includes all multicellular organisms and many unicellular protists and protozoans. Some protists are related to animals and some to green plants. Many of the multicellular organisms are microscopic, namely micro-animals, some fungi and some algae, but these are not discussed here. They live in almost every habitat from the poles to the equator, deserts, geysers, rocks and the deep sea. Some are adapted to extremes such as very hot or very cold conditions, others to high pressure and a few such as Deinococcus radiodurans to high radiation environments. Microorganisms also make up the microbiota found in and on all multicellular organisms. A December 2017 report stated that 3.45 billion year old Australian rocks once contained microorganisms, the earliest direct evidence of life on Earth. Microbes are important in human culture and health in many ways, serving to ferment foods, treat sewage, produce fuel, enzymes and other bioactive compounds. They are essential tools in biology as model organisms and have been put to use in biological warfare and bioterrorism. They are a vital component of fertile soils. In the human body microorganisms make up the human microbiota including the essential gut flora. They are the pathogens responsible for many infectious diseases and as such are the target of hygiene measures.

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Migraine

A migraine is a primary headache disorder characterized by recurrent headaches that are moderate to severe.

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Mollaret's meningitis

Mollaret's meningitis is a recurrent or chronic inflammation of the protective membranes covering the brain and spinal cord, known collectively as the meninges.

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Mortality rate

Mortality rate, or death rate, is a measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time.

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Mucous membrane

A mucous membrane or mucosa is a membrane that lines various cavities in the body and covers the surface of internal organs.

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Mumps

Mumps is a viral disease caused by the mumps virus.

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Mumps vaccine

Mumps vaccines are vaccines which prevent mumps.

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Muscle tone

In physiology, medicine, and anatomy, muscle tone (residual muscle tension or tonus) is the continuous and passive partial contraction of the muscles, or the muscle's resistance to passive stretch during resting state.

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Mycobacterium tuberculosis

Mycobacterium tuberculosis is a species of pathogenic bacteria in the family Mycobacteriaceae and the causative agent of tuberculosis.

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Naegleria fowleri

Naegleria fowleri, colloquially known as the "brain-eating amoeba", is a species of the genus Naegleria, belonging to the phylum Percolozoa.

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Naegleriasis

Naegleriasis (also known as primary amoebic meningoencephalitis) is an infection of the brain by the free-living unicellular Naegleria fowleri.

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Nasal cavity

The nasal cavity (nasal fossa, or nasal passage) is a large air filled space above and behind the nose in the middle of the face.

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Neck stiffness

Neck stiffness, stiff neck and nuchal rigidity are terms often used interchangeably to describe the medical condition when one experiences discomfort or pain when trying to turn, move, or flex the neck.

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Neisseria meningitidis

Neisseria meningitidis, often referred to as meningococcus, is a Gram-negative bacterium that can cause meningitis and other forms of meningococcal disease such as meningococcemia, a life-threatening sepsis.

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Neoplasm

Neoplasia is a type of abnormal and excessive growth of tissue.

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Neoplastic meningitis

Neoplastic or malignant meningitis, also called meningitis carcinomatosa and leptomeningeal carcinomatosis, is the development of meningitis due to infiltration of the subarachnoid space by cancerous cells.

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Nervous system

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.

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Neuroleptic malignant syndrome

Neuroleptic malignant syndrome (NMS) is a life-threatening reaction that occasionally occurs in response to neuroleptic or antipsychotic medication.

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Neurology

Neurology (from νεῦρον (neûron), "string, nerve" and the suffix -logia, "study of") is a branch of medicine dealing with disorders of the nervous system.

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Neuron

A neuron, also known as a neurone (British spelling) and nerve cell, is an electrically excitable cell that receives, processes, and transmits information through electrical and chemical signals.

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Neurosarcoidosis

Neurosarcoidosis (sometimes shortened to neurosarcoid) refers to sarcoidosis, a condition of unknown cause featuring granulomas in various tissues, involving the central nervous system (brain and spinal cord).

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Neurosurgery

Neurosurgery, or neurological surgery, is the medical specialty concerned with the prevention, diagnosis, surgical treatment, and rehabilitation of disorders which affect any portion of the nervous system including the brain, spinal cord, peripheral nerves, and extra-cranial cerebrovascular system.

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Neutrophil

Neutrophils (also known as neutrocytes) are the most abundant type of granulocytes and the most abundant (40% to 70%) type of white blood cells in most mammals.

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New England Compounding Center meningitis outbreak

A New England Compounding Center meningitis outbreak that began in September 2012 sickened over 800 individuals and resulted in the deaths of 76.

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New Zealand

New Zealand (Aotearoa) is a sovereign island country in the southwestern Pacific Ocean.

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Nigeria

Nigeria, officially the Federal Republic of Nigeria is a federal republic in West Africa, bordering Benin in the west, Chad and Cameroon in the east, and Niger in the north.

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Non-blanching rash

Non-blanching rash (NBR) is a medical term used to describe a skin rash that does not fade when pressed with, and viewed through, a glass.

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Nonsteroidal anti-inflammatory drug

Nonsteroidal anti-inflammatory drugs (NSAIDs) are a drug class that reduce pain, decrease fever, prevent blood clots and, in higher doses, decrease inflammation.

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Norway

Norway (Norwegian: (Bokmål) or (Nynorsk); Norga), officially the Kingdom of Norway, is a unitary sovereign state whose territory comprises the western portion of the Scandinavian Peninsula plus the remote island of Jan Mayen and the archipelago of Svalbard.

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Notifiable disease

A notifiable disease is any disease that is required by law to be reported to government authorities.

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Ommaya reservoir

An Ommaya reservoir is an intraventricular catheter system that can be used for the aspiration of cerebrospinal fluid or for the delivery of drugs (e.g. chemotherapy) into the cerebrospinal fluid.

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Organ transplantation

Organ transplantation is a medical procedure in which an organ is removed from one body and placed in the body of a recipient, to replace a damaged or missing organ.

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Otitis media

Otitis media is a group of inflammatory diseases of the middle ear.

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Paragonimiasis

Paragonimiasis is a food-borne parasitic infection caused by the lung fluke, most commonly Paragonimus westermani.

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Paranasal sinuses

Paranasal sinuses are a group of four paired air-filled spaces that surround the nasal cavity.

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Penicillin

Penicillin (PCN or pen) is a group of antibiotics which include penicillin G (intravenous use), penicillin V (use by mouth), procaine penicillin, and benzathine penicillin (intramuscular use).

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Petrous part of the temporal bone

The petrous part of the temporal bone is pyramid-shaped and is wedged in at the base of the skull between the sphenoid and occipital bones.

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Phonophobia

Phonophobia, also called ligyrophobia or sonophobia, is a fear of or aversion to loud sounds—a type of specific phobia.

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Photophobia

Photophobia is a symptom of abnormal intolerance to visual perception of light.

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Pia mater

Pia mater (or in, retrieved 2012-07-28.), often referred to as simply the pia, is the delicate innermost layer of the meninges, the membranes surrounding the brain and spinal cord.

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Pleocytosis

In medicine, pleocytosis (or pleiocytosis) is an increased cell count (from Greek pleion, "more"), particularly an increase in white blood cell count, in a bodily fluid, such as cerebrospinal fluid.

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Pneumococcal conjugate vaccine

Pneumococcal conjugate vaccine (PCV) is a pneumococcal vaccine and a conjugate vaccine used to protect infants, young children, and adults against disease caused by the bacterium Streptococcus pneumoniae (the pneumococcus).

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Pneumococcal polysaccharide vaccine

Pneumococcal polysaccharide vaccine (PPSV)— the latest version is known as Pneumovax 23 (PPV-23)— is the first pneumococcal vaccine derived from a capsular polysaccharide, and an important landmark in medical history.

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Pneumococcal vaccine

Pneumococcal vaccines are vaccines against the bacteria Streptococcus pneumoniae.

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Polymerase chain reaction

Polymerase chain reaction (PCR) is a technique used in molecular biology to amplify a single copy or a few copies of a segment of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence.

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Poverty

Poverty is the scarcity or the lack of a certain (variant) amount of material possessions or money.

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Pressure measurement

Pressure measurement is the analysis of an applied force by a fluid (liquid or gas) on a surface.

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Preterm birth

Preterm birth, also known as premature birth, is the birth of a baby at fewer than 37 weeks gestational age.

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Programmed cell death

Programmed cell death (or PCD) is the death of a cell in any form, mediated by an intracellular program.

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Protein

Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.

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Protozoa

Protozoa (also protozoan, plural protozoans) is an informal term for single-celled eukaryotes, either free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris.

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Pseudomonas

Pseudomonas is a genus of Gram-negative, Gammaproteobacteria, belonging to the family Pseudomonadaceae and containing 191 validly described species.

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Pupillary light reflex

The pupillary light reflex (PLR) or photopupillary reflex is a reflex that controls the diameter of the pupil, in response to the intensity (luminance) of light that falls on the retinal ganglion cells of the retina in the back of the eye, thereby assisting in adaptation to various levels of lightness/darkness.

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Purpura

Purpura is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure.

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Pus

Pus is an exudate, typically white-yellow, yellow, or yellow-brown, formed at the site of inflammation during bacterial or fungal infection.

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Rabbit

Rabbits are small mammals in the family Leporidae of the order Lagomorpha (along with the hare and the pika).

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Rash

A rash is a change of the human skin which affects its color, appearance, or texture.

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Red blood cell

Red blood cells-- also known as RBCs, red cells, red blood corpuscles, haematids, erythroid cells or erythrocytes (from Greek erythros for "red" and kytos for "hollow vessel", with -cyte translated as "cell" in modern usage), are the most common type of blood cell and the vertebrate's principal means of delivering oxygen (O2) to the body tissues—via blood flow through the circulatory system.

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Respiratory failure

Respiratory failure results from inadequate gas exchange by the respiratory system, meaning that the arterial oxygen, carbon dioxide or both cannot be kept at normal levels.

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Rifampicin

Rifampicin, also known as rifampin, is an antibiotic used to treat several types of bacterial infections, including tuberculosis, leprosy, and Legionnaire's disease.

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Robert Whytt

Dr Robert Whytt (1714–1766) was a Scottish physician.

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Sarcoidosis

Sarcoidosis is a disease involving abnormal collections of inflammatory cells that form lumps known as granulomas.

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Schistosoma

Schistosoma is a genus of trematodes, commonly known as blood flukes.

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Sensitivity and specificity

Sensitivity and specificity are statistical measures of the performance of a binary classification test, also known in statistics as a classification function.

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Sensorineural hearing loss

Sensorineural hearing loss (SNHL) is a type of hearing loss, or deafness, in which the root cause lies in the inner ear or sensory organ (cochlea and associated structures) or the vestibulocochlear nerve (cranial nerve VIII).

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Sepsis

Sepsis is a life-threatening condition that arises when the body's response to infection causes injury to its own tissues and organs.

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Serology

Serology is the scientific study of serum and other bodily fluids.

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Shingles

Shingles, also known as herpes zoster, is a viral disease characterized by a painful skin rash with blisters in a localized area.

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Shock (circulatory)

Shock is the state of low blood perfusion to tissues resulting in cellular injury and inadequate tissue function.

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Simon Flexner

Simon Flexner, M.D. (March 25, 1863 in Louisville, Kentucky – May 2, 1946) was a physician, scientist, administrator, and professor of experimental pathology at the University of Pennsylvania (1899–1903).

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Sinusitis

Sinusitis, also known as a sinus infection or rhinosinusitis, is inflammation of the sinuses resulting in symptoms.

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Skull fracture

A skull fracture is a break in one or more of the eight bones that form the cranial portion of the skull, usually occurring as a result of blunt force trauma.

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Spinal canal

The spinal canal (or vertebral canal or spinal cavity) is the space in the vertebral column formed by the vertebrae through which the spinal cord passes.

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Spinal cord

The spinal cord is a long, thin, tubular bundle of nervous tissue and support cells that extends from the medulla oblongata in the brainstem to the lumbar region of the vertebral column.

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Spirochaete

A spirochaete or spirochete is a member of the phylum Spirochaetes, which contains distinctive diderm (double-membrane) bacteria, most of which have long, helically coiled (corkscrew-shaped or spiraled, hence the name) cells.

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Splenectomy

A splenectomy is a surgical procedure that partially or completely removes the spleen.

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Staphylococcus

Staphylococcus (from the σταφυλή, staphylē, "grape" and κόκκος, kókkos, "granule") is a genus of Gram-positive bacteria.

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Steroid

A steroid is a biologically active organic compound with four rings arranged in a specific molecular configuration.

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Streptococcus agalactiae

Streptococcus agalactiae (also known as group B streptococcus or GBS) is a gram-positive coccus (round bacterium) with a tendency to form chains (as reflected by the genus name Streptococcus).

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Streptococcus pneumoniae

Streptococcus pneumoniae, or pneumococcus, is a Gram-positive, alpha-hemolytic (under aerobic conditions) or beta-hemolytic (under anaerobic conditions), facultative anaerobic member of the genus Streptococcus.

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Sub-Saharan Africa

Sub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara.

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Supine position

The supine position means lying horizontally with the face and torso facing up, as opposed to the prone position, which is face down.

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Symptom

A symptom (from Greek σύμπτωμα, "accident, misfortune, that which befalls", from συμπίπτω, "I befall", from συν- "together, with" and πίπτω, "I fall") is a departure from normal function or feeling which is noticed by a patient, reflecting the presence of an unusual state, or of a disease.

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Syndrome of inappropriate antidiuretic hormone secretion

Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is characterized by excessive unsuppressible release of antidiuretic hormone (ADH) either from the posterior pituitary gland, or an abnormal non-pituitary source.

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Syphilis

Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum subspecies pallidum.

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Systemic inflammatory response syndrome

Systemic inflammatory response syndrome (SIRS) is an inflammatory state affecting the whole body.

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Systemic lupus erythematosus

Systemic lupus erythematosus (SLE), also known simply as lupus, is an autoimmune disease in which the body's immune system mistakenly attacks healthy tissue in many parts of the body.

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Tachycardia

Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate.

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Tachypnea

Tachypnea or tachypnoea is abnormally rapid breathing.

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Thecal sac

The thecal sac or dural sac is the membranous sheath or tube of dura mater that surrounds the spinal cord and the cauda equina.

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Thrombosis

Thrombosis (from Ancient Greek θρόμβωσις thrómbōsis "clotting”) is the formation of a blood clot inside a blood vessel, obstructing the flow of blood through the circulatory system.

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Toxocariasis

Toxocariasis is an illness of humans caused by larvae (immature worms) of either the dog roundworm (Toxocara canis), the cat roundworm (Toxocara cati) or the fox roundworm (Toxocara canis).

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Treponema pallidum

Treponema pallidum is a spirochaete bacterium with subspecies that cause the diseases syphilis, bejel, and yaws.

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Tuberculosis

Tuberculosis (TB) is an infectious disease usually caused by the bacterium Mycobacterium tuberculosis (MTB).

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Tuberculous meningitis

Tuberculous meningitis is also known as TB meningitis or tubercular meningitis.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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Vaccination

Vaccination is the administration of antigenic material (a vaccine) to stimulate an individual's immune system to develop adaptive immunity to a pathogen.

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Vagina

In mammals, the vagina is the elastic, muscular part of the female genital tract.

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Vancomycin

Vancomycin is an antibiotic used to treat a number of bacterial infections.

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Varicella zoster virus

Varicella zoster virus or varicella-zoster virus (VZV) is one of eight herpesviruses known to infect humans.

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Vasculitis

Vasculitis is a group of disorders that destroy blood vessels by inflammation.

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Vasopressin

Vasopressin, also named antidiuretic hormone (ADH), arginine vasopressin (AVP) or argipressin, is a hormone synthesized as a peptide prohormone in neurons in the hypothalamus, and is converted to AVP.

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Viral meningitis

Viral meningitis, also known as aseptic meningitis, is a type of meningitis due to a viral infection.

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Virus

A virus is a small infectious agent that replicates only inside the living cells of other organisms.

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Waterhouse–Friderichsen syndrome

Waterhouse–Friderichsen syndrome (WFS) is defined as adrenal gland failure due to bleeding into the adrenal glands, commonly caused by severe bacterial infection: Typically it is caused by Neisseria meningitidis.

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Western world

The Western world refers to various nations depending on the context, most often including at least part of Europe and the Americas.

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White blood cell

White blood cells (WBCs), also called leukocytes or leucocytes, are the cells of the immune system that are involved in protecting the body against both infectious disease and foreign invaders.

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World Bank high-income economy

A high-income economy is defined by the World Bank as a country with a gross national income per capita US$12,236 or more in 2016, calculated using the Atlas method.

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Ziehl–Neelsen stain

The Ziehl–Neelsen stain, also known as the acid-fast stain, was first described by two German doctors: the bacteriologist Franz Ziehl (1859–1926) and the pathologist Friedrich Neelsen (1854–1898).

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References

[1] https://en.wikipedia.org/wiki/Meningitis

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