| ADENOVIRUSES | • adenoviruses n. Plural of adenovirus. • ADENOVIRUS n. any of a group of viruses that attack the upper respiratory tract. |
| ARENAVIRUSES | • arenaviruses n. Plural of arenavirus. |
| BUNYAVIRUSES | • bunyaviruses n. Plural of bunyavirus. |
| FLAVIVIRUSES | • flaviviruses n. Plural of flavivirus. • FLAVIVIRUS n. a virus of the Flaviridae family, which includes the virus responsible for yellow fever. |
| HANTAVIRUSES | • hantaviruses n. Plural of hantavirus. • HANTAVIRUS n. an often fatal virus with flu-like symptoms. |
| LENTIVIRUSES | • lentiviruses n. Plural of lentivirus. • LENTIVIRUS n. any of a group of retroviruses producing illnesses characterized by a delay in the onset of symptoms after infection. |
| PARVOVIRUSES | • parvoviruses n. Plural of parvovirus. • PARVOVIRUS n. a DNA-containing animal virus. |
| POLIOVIRUSES | • polioviruses n. Plural of poliovirus. • POLIOVIRUS n. a virus causing polio. |
| RETROVIRUSES | • retroviruses n. Plural of retrovirus. • RETROVIRUS n. any of a group of viruses whose genetic material is encoded in the form of RNA rather than DNA. |
| RHINOVIRUSES | • rhinoviruses n. Plural of rhinovirus. • RHINOVIRUS n. a virus belonging to a subgroup thought to be responsible for the common cold. |
| ULTRAVIRUSES | • ultraviruses n. Plural of ultravirus. • ULTRAVIRUS n. a virus small enough to pass through the finest filter. |