This list includes 5 Viruses that start with U that begin with U, from “Umatilla virus” to “Uukuniemi virus”. They are mostly arthropod-associated or environmental viruses commonly used in surveillance, diagnostics, and laboratory research.
Viruses that start with U are viruses whose established common names begin with the letter U. One notable example, Uukuniemi virus, played a role in early tick-borne virus research.
Below you’ll find the table with Classification, Affects humans?, Symptoms, Transmission, Notes, Citations, and Last updated.
Classification: Shows family, genus and species so you can quickly understand viral relationships and clinical relevance.
Affects humans?: Indicates whether the virus infects people and how commonly, helping you assess clinical importance.
Symptoms: Lists common clinical features in brief phrases, so you can recognize typical presentations quickly.
Transmission: Summarizes main spread routes so you understand outbreak risks and prevention priorities.
Notes: Gives context like reservoirs, vectors, or lab-use notes that add practical interpretation for you.
Citations: Provides sources and references so you can follow up on original taxonomy or clinical reports.
Last updated: Shows the most recent review date so you know how current the information is.
Viruses that start with U
| Name | Classification | Affects humans? | Transmission |
|---|---|---|---|
| Usutu virus | Flaviviridae / Flavivirus / Usutu virus | Yes — zoonotic; primarily birds, occasional human cases | Mosquito vector: Culex spp.; bird-mosquito transmission cycle |
| Una virus | Togaviridae / Alphavirus / Una virus | Yes — zoonotic; regional human infections reported in South America | Mosquito-borne (arbovirus); New World mosquito vectors |
| Uukuniemi virus | Phenuiviridae / Uukuvirus / Uukuniemi virus | No — tick-associated; rare/limited human links reported | Tick-borne (hard ticks, Ixodidae) |
| Umbre virus | Peribunyaviridae / Orthobunyavirus / Umbre orthobunyavirus | No — isolated from mosquitoes; human pathogenicity unclear | Mosquito-borne (various genera) in field isolates |
| Umatilla virus | Reoviridae / Orbivirus / Umatilla virus | No — primarily wildlife/arthropod virus; no confirmed human disease | Arthropod-borne (mosquitoes or biting midges) in field isolates |