Virus

A virus is a microscopic infectious agent that can reproduce only inside a host cell. Viruses infect all types of organisms: from animals and plants, to bacteria and archaea. Since the initial discovery of tobacco mosaic virus by Martinus Beijerinck in 1898, more than 5,000 types of virus have been described in detail, although most types of virus remain undiscovered. Viruses are ubiquitous, as they are found in almost every ecosystem on Earth, and are the most abundant type of biological entity on the planet. The study of viruses is known as virology, and is a branch of microbiology.
What is a Virus?

A virus is a small infectious agent that can only replicate inside the cells of another organism.

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Overview

Feature Articles

Latest Virus News and Research

mNGS outperforms microbiological tests to diagnose bloodstream infections – BGI Insight

mNGS outperforms microbiological tests to diagnose bloodstream infections – BGI Insight

U.S. maternal mortality rates rose during COVID-19 pandemic

U.S. maternal mortality rates rose during COVID-19 pandemic

Hidden "super spreader" spaces associated with a predominance of asymptomatic cases of dengue

Hidden "super spreader" spaces associated with a predominance of asymptomatic cases of dengue

The policy, and politics, of Medicare Advantage

The policy, and politics, of Medicare Advantage

Discovery suggests a new way to treat spinal muscular atrophy

Discovery suggests a new way to treat spinal muscular atrophy

Candidate hepatitis C mRNA vaccine induces protective immunity in animal model

Candidate hepatitis C mRNA vaccine induces protective immunity in animal model

Menin protein protects against aging and cognitive decline

Menin protein protects against aging and cognitive decline

Zoonotic agent Erysipelothrix rhusiopathiae caused mass mortality of harbor porpoises

Zoonotic agent Erysipelothrix rhusiopathiae caused mass mortality of harbor porpoises

Dampened mucosal response against SARS-CoV-2 in pregnant individuals

Dampened mucosal response against SARS-CoV-2 in pregnant individuals

SARS-CoV-2 infection damages CD8+ T cell response

SARS-CoV-2 infection damages CD8+ T cell response

Novel subset of memory B cells predicts long-lived antibody responses to influenza vaccination

Novel subset of memory B cells predicts long-lived antibody responses to influenza vaccination

Texas A&M scientist explores how HVAC and building designs could mitigate pathogens' spread

Texas A&M scientist explores how HVAC and building designs could mitigate pathogens' spread

Animal studies show potential of new drug to curb painful hyperinflammation from osteoarthritis

Animal studies show potential of new drug to curb painful hyperinflammation from osteoarthritis

Study reveals why COVID-19 subvariants spread rapidly among previously infected people

Study reveals why COVID-19 subvariants spread rapidly among previously infected people

Low-cost, universal oral COVID-19 vaccine prevents severe respiratory illness in hamsters

Low-cost, universal oral COVID-19 vaccine prevents severe respiratory illness in hamsters

Disruption of the FcRn–IgG interaction may make AAV-based gene therapies effective

Disruption of the FcRn–IgG interaction may make AAV-based gene therapies effective

End of covid emergency will usher in changes across the US health system

End of covid emergency will usher in changes across the US health system

Tetravalent COVID vaccine provides broad antibody responses against SARS-CoV-2 variants in animal model

Tetravalent COVID vaccine provides broad antibody responses against SARS-CoV-2 variants in animal model

Prior COVID and vaccination generate superior hybrid immunity

Prior COVID and vaccination generate superior hybrid immunity

Next-gen Mpro inhibitor: Promising new drug candidate against Omicron and other SARS-CoV-2 variants

Next-gen Mpro inhibitor: Promising new drug candidate against Omicron and other SARS-CoV-2 variants