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# Basic reproduction number

In epidemiology, the basic reproduction number (sometimes called basic reproductive ratio, or incorrectly basic reproductive rate, and denoted R0, r nought) of an infection can be thought of as the number of cases one case generates on average over the course of its infectious period, in an otherwise uninfected population. [1]

## Aedes aegypti

Aedes aegypti, the yellow fever mosquito, is a mosquito that can spread dengue fever, chikungunya, Zika fever, Mayaro and yellow fever viruses, and other disease agents.

## Black rockfish

The black rockfish (Sebastes melanops), also known variously as the black seaperch, black bass, black rock cod, sea bass, black snapper and Pacific Ocean perch, is a rockfish of the genus Sebastes.

## Branching process

In probability theory, a branching process is a type of mathematical object known as a stochastic process, which consists of collections of random variables.

## BRN

BRN is a three-letter acronym that may refer to.

## Compartmental models in epidemiology

Compartmental models are a technique used to simplify the mathematical modelling of infectious disease.

## Contagion (film)

Contagion is a 2011 U.S. medical thriller-disaster film directed by Steven Soderbergh.

## Endemic (epidemiology)

In epidemiology, an infection is said to be endemic (from Greek ἐν en "in, within" and δῆμος demos "people") in a population when that infection is constantly maintained at a baseline level in a geographic area without external inputs.

## Evolutionary invasion analysis

Evolutionary invasion analysis, also known as adaptive dynamics, is a set of mathematical modeling techniques that use differential equations to study the long-term evolution of traits in asexually reproducing populations.

## Force of infection

In epidemiology, force of infection (denoted \lambda) is the rate at which susceptible individuals acquire an infectious disease.

## H5N1 genetic structure

H5N1 genetic structure is the molecular structure of the H5N1 virus's RNA.

## Herd immunity

Herd immunity (also called herd effect, community immunity, population immunity, or social immunity) is a form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection, thereby providing a measure of protection for individuals who are not immune.

## Infectivity

In epidemiology, infectivity is the ability of a pathogen to establish an infection.

## Janzen–Connell hypothesis

The Janzen–Connell hypothesis is a widely accepted explanation for the maintenance of tree species biodiversity in tropical rainforests.

## List of MeSH codes (E05)

The following is a list of the "E" codes for MeSH.

## List of MeSH codes (G03)

The following is a list of the "G" codes for MeSH.

## List of MeSH codes (L01)

The following is a list of the "L" codes for MeSH.

## List of MeSH codes (N01)

The following is a list of the "N" codes for MeSH.

## Mathematical modelling of infectious disease

Mathematical models can project how infectious diseases progress to show the likely outcome of an epidemic and help inform public health interventions.

## Next-generation matrix

In epidemiology, the next-generation matrix is a method used to derive the basic reproduction number, for a compartmental model of the spread of infectious diseases.

## Pathogen

In biology, a pathogen (πάθος pathos "suffering, passion" and -γενής -genēs "producer of") or a '''germ''' in the oldest and broadest sense is anything that can produce disease; the term came into use in the 1880s.

## R0

R0 or R00 may refer to.

## Reed–Frost model

The Reed–Frost model is a mathematical model of epidemics put forth in the 1920s by Lowell Reed and Wade Hampton Frost, of Johns Hopkins University.

## Severe acute respiratory syndrome

Severe acute respiratory syndrome (SARS) is a viral respiratory disease of zoonotic origin caused by the SARS coronavirus (SARS-CoV).

A super-spreader is a host—an organism infected with a disease—that infects, disproportionally, more secondary contacts than other hosts who are, also, infected with the same disease.

## Transmissibility

Transmissibility may have several meanings.

## Transmission risks and rates

Transmission of an infection requires three conditions.

## Viral dynamics

Viral dynamics is a field of applied mathematics concerned with describing the progression of viral infections within a host organism.

## Viral marketing

Viral marketing or viral advertising is a business strategy that uses existing social networks to promote a product.

## Viral phylodynamics

Viral phylodynamics is defined as the study of how epidemiological, immunological, and evolutionary processes act and potentially interact to shape viral phylogenies.

## West African Ebola virus epidemic

The West African Ebola virus epidemic (2013–2016) was the most widespread outbreak of Ebola virus disease (EVD) in history—causing major loss of life and socioeconomic disruption in the region, mainly in the countries of Guinea, Liberia, and Sierra Leone.

## Zika virus

Zika virus (ZIKV) is a member of the virus family Flaviviridae.

## 2009 flu pandemic

The 2009 flu pandemic or swine flu was an influenza pandemic, and the second of the two pandemics involving H1N1 influenza virus (the first of them being the 1918 flu pandemic), albeit in a new version.

## References

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