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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 virus species. For a list of virus genera, see List of virus genera.
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This is a list of all virus species, including satellites and viroids. Excluded are other ranks, and other non-cellular life such as prions. Also excluded are common names and obsolete names for viruses. The taxonomy is taken from ICTV taxonomy 2022 release [1] For a list of virus families and subfamilies, see List of virus families and ...
This is an alphabetical list of genera of biological viruses. It includes all genera and subgenera of viruses listed by the International Committee on Taxonomy of Viruses (ICTV) 2022 release. [1] For a list of individual species, see List of virus species. For a list of virus families and subfamilies, see List of virus families and subfamilies.
Examples of vertical transmission include hepatitis B virus and HIV, where the baby is born already infected with the virus. [116] Another, more rare, example is the varicella zoster virus , which, although causing relatively mild infections in children and adults, can be fatal to the foetus and newborn baby.
A virus with this "viral envelope" uses it—along with specific receptors—to enter a new host cell. Viruses vary in shape from the simple helical and icosahedral to more complex structures. Viruses range in size from 20 to 300 nanometres; it would take 33,000 to 500,000 of them, side by side, to stretch to 1 centimetre (0.4 in).
Viruses are assigned according to their similarity to known lab based strains—the ΦX174-like clade, G4-like clade and the α3-like clade. The ΦX174-like clade of microviridae have the smallest and least variable genomes (5,386–5,387 bp); the G4-like clade varies in size from 5,486 to 5,487 bp; while the largest genome sized group is the ...
An example of such a name is Canid alphaherpesvirus 1. From this name it can be ascertained that the virus' primary natural host is a canid (i.e. a member of the family Canidae ; dogs etc.), that it is a member of the family Herpesviridae and subfamily Alphaherpesvirinae , and that it is the first herpesvirus named for which canids serve as ...