A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals...

security advisory organizations and anti-virus software developers compile and publish virus lists. When a new virus appears, the rush begins to identify...

Norovirus, also known as Norwalk virus and sometimes referred to as the winter vomiting disease, is the most common cause of gastroenteritis. Infection...

The human immunodeficiency viruses (HIV) are two species of Lentivirus (a subgroup of retrovirus) that infect humans. Over time, they cause acquired immunodeficiency...

Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular...

"infected" with a computer virus, a metaphor derived from biological viruses. Computer viruses generally require a host program. The virus writes its own code...

most common viruses in humans. EBV is a double-stranded DNA virus. Epstein–Barr virus (EBV) is the first identified oncogenic virus, or a virus that can...

Respiratory syncytial virus (RSV), also called human respiratory syncytial virus (hRSV) and human orthopneumovirus, is a contagious virus that causes infections...

Influenza A virus (IAV) is the only species of the genus Alphainfluenzavirus of the virus family Orthomyxoviridae. It is a pathogen with strains that...

Virus or The Virus may also refer to: Computer virus, a type of malicious computer program Mobile virus, a type of malicious cell phone program Virus...

helper virus is a virus that allows an otherwise-deficient coinfecting virus to replicate. These can be naturally occurring as with Hepatitis D virus, which...

Smallpox was an infectious disease caused by variola virus (often called smallpox virus), which belongs to the genus Orthopoxvirus. The last naturally...

Virus A series Virus B series Virus C series Virus TI / TI2 series The Access Virus is a virtual analog synthesizer made by the German company Access...

Nipah virus is a bat-borne, zoonotic virus that causes Nipah virus infection in humans and other animals, a disease with a very high mortality rate (40-75%)...

parainfluenza viruses (HPIVs) are the viruses that cause human parainfluenza. HPIVs are a paraphyletic group of four distinct single-stranded RNA viruses belonging...

Look up Chinese virus in Wiktionary, the free dictionary. Chinese virus or China virus may refer to: A term for SARS-CoV-2 and COVID-19 that is generally...

VirusTotal is a website created by the Spanish security company Hispasec Sistemas. Launched in June 2004, it was acquired by Google in September 2012...

A mosaic virus is any virus that causes infected plant foliage to have a mottled appearance. Such viruses come from a variety of unrelated lineages and...

Wuhan virus (named for Wuhan, China) may refer to: Wuhan virus, an informal name for the SARS‑CoV‑2 virus Wuhanvirus, a genus of bacterial viruses in the...

Feline leukemia virus (FeLV) is a retrovirus that infects cats. FeLV can be transmitted from infected cats when the transfer of saliva or nasal secretions...

An RNA virus is a virus characterized by a ribonucleic acid (RNA) based genome. The genome can be single-stranded RNA (ssRNA) or double-stranded (dsRNA)...

Hendra virus (Hendra henipavirus) is a zoonotic virus found solely in Australia. First isolated in 1994, the virus has since been connected to numerous...

The Ring Virus (Korean: 링; RR: Ring) is a 1999 South Korean horror film adapted from the Japanese novel Ring by Koji Suzuki. A joint project between Japan...

Ebola, also known as Ebola virus disease (EVD) and Ebola hemorrhagic fever (EHF), is a viral hemorrhagic fever in humans and other primates, caused by...

known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including...

was actually a virus itself specifically designed to remove the Creeper virus. The Creeper virus was followed by several other viruses. The first known...

A DNA virus is a virus that has a genome made of deoxyribonucleic acid (DNA) that is replicated by a DNA polymerase. They can be divided between those...

Influenza B virus is the only species in the genus Betainfluenzavirus in the virus family Orthomyxoviridae. Influenza B virus is only known to infect...

Sigma Virus may refer to: Sigmaviruses, a clade of viruses in the family Rhabdoviridae that infect dipterans. The Sigma Virus from the Mega Man X video...

COVID-19, the respiratory illness responsible for the COVID-19 pandemic. The virus previously had the provisional name 2019 novel coronavirus (2019-nCoV),...