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

Infectious agent
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in almost every... Wikipedia
Representative species: Norovirus, Adenoviruses, Epstein–Barr virus, and more
A virus is an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat. A virus cannot replicate alone; ...
3 days ago · Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria.
Mar 29, 2023 · Viruses are microscopic organisms that can infect hosts, like humans, plants or animals. They're a small piece of genetic information (DNA ...
Nov 8, 2023 · What are viruses? Viruses are very tiny germs. They are made of genetic material (either DNA or RNA) inside of a protein coating.
In medicine, a very simple microorganism that infects cells and may cause disease. Because viruses can multiply only inside infected cells, ...
Respiratory syncytial (sin-SISH-uhl) virus, or RSV, is a common respiratory virus that usually causes mild, cold-like symptoms.
Virus. All five viruses—hepatitis A virus (HAV), hepatitis B virus (HBV), HCV, hepatitis D virus (HDV), and hepatitis E virus (HEV)—that are responsible for ...
NCBI Virus is a community portal for viral sequence data from RefSeq, GenBank and other NCBI repositories.
Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate ...