It can be a virus that is isolated from its natural reservoir or isolated as the result of spread to an animal or human host where the virus had not been identified before.

Illustration of a SARS-CoV-2 virion A virus is a tiny infectious agent that reproduces inside the cells of living hosts. When infected, the host cell is forced to rapidly produce thousands of identical copies of …

The genetic material within virus particles, and the method by which the material is replicated, varies considerably between different types of viruses. This false-coloured transmission electron …

Mar 29, 2023 · A virus is a small piece of genetic information in a “carrying case” — a protective coating called a capsid. Viruses aren’t made up of cells, so they don’t have all the equipment that cells do to …

Dec 17, 2025 · Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. Viruses possess unique infective properties and thus often …

Вирус ... Вирус (лат. virus - отров) мали је инфективни агенс који се репликује само унутар живих ћелија и других организама. [1]

Ez a szócikk részben vagy egészben a Virus című angol Wikipédia-szócikk ezen változatának fordításán alapul. Az eredeti cikk szerkesztőit annak laptörténete sorolja fel.

Aug 4, 2025 · A virus, at its core, is a tiny particle—usually between 20 and 300 nanometers in diameter—consisting of genetic material encased in a protective shell. That genetic material may be …

O Comitê Internacional de Taxonomia de Vírus (ICTV, do inglês " International Committee on Taxonomy of Virus ") estabelece regras de classificação e nomenclatura de vírus.

Cependant, il existe de nombreux virus, comme la rage, qui sont moins spécifiques à un hôte par comparaison avec d'autres virus comme la maladie de Carré, le virus de l'immunodéficience féline …