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Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular organisms. Viruses are classified by phenotypic characteristics, such as morphology , nucleic acid type, mode of replication, host organisms , and the type of disease they cause.
Different viruses can infect all the organs and tissues of the body and the outcomes range from mild or no symptoms, to life-threatening diseases. [5] Humans cannot be infected by plant or insect viruses, but they are susceptible to infections with viruses from other vertebrates. These are called viral zoonoses or zoonotic infections. [6]
The International Committee on Taxonomy of Viruses (ICTV) authorizes and organizes the taxonomic classification of and the nomenclature for viruses. [ 1 ] [ 2 ] [ 3 ] The ICTV develops a universal taxonomic scheme for viruses, and thus has the means to appropriately describe, name, and classify every virus taxon.
[13]: 802 Plant viruses cannot infect humans and other animals because they can reproduce only in living plant cells. [13]: 799–807 Originally from Peru, the potato has become a staple crop worldwide. [180] The potato virus Y causes disease in potatoes and related species including tomatoes and peppers. In the 1980s, this virus acquired ...
Virus classification showing major ranks This is a list of biological virus families and subfamilies. See also Comparison of computer viruses. This is an alphabetical list of biological virus families and subfamilies; it includes those families and subfamilies listed by the ICTV 2023 report. [1] For a list of individual species, see List of ...
Of those, 79% involved a virus going from one animal species to another animal species. ... humans give more viruses - about twice as many - to animals than they give to us. Of those, 79% involved ...
Gamma phage, an example of virus particles (visualised by electron microscopy) Virology is the scientific study of biological viruses.It is a subfield of microbiology that focuses on their detection, structure, classification and evolution, their methods of infection and exploitation of host cells for reproduction, their interaction with host organism physiology and immunity, the diseases they ...
Illnesses transmitted from animals to humans could kill 12 times as many people in 2050 than they did in 2020, researchers have warned. ... Marburg virus, SARS Coronavirus 1, ...