edgepedia

Alphaviruses

7 articles

Alphavirus chikungunya

Chikungunya virus (CHIKV), an alphavirus of the family Togaviridae, is a mosquito-borne virus spread by Aedes aegypti and Aedes albopictus that causes fever and severe, sometimes chronic joint pain; first identified in Tanzania in 1952, now reported in 119 countries and territories.

Alphavirus semliki

Alphavirus semliki (Semliki Forest virus, SFV) is a mosquito-borne alphavirus of Togaviridae isolated in Uganda in 1942; mild in humans, encephalitic in rodents, and a widely used gene-expression and vaccine vector.

Alphavirus sindbis

Alphavirus sindbis (Sindbis virus, SINV) is a mosquito-borne alphavirus, type species of the genus, causing Pogosta, Ockelbo, or Karelian fever; first isolated in Egypt in 1952, widespread across the Old World.

Alphavirus venezuelan

Alphavirus venezuelan is an ICTV alphavirus species (Togaviridae) containing Venezuelan equine encephalitis virus (VEEV), with epizootic IAB/IC subtypes amplified by equids and enzootic ID/IE subtypes cycling in rodents and Culex mosquitoes.

Chikungunya

Chikungunya: mosquito-borne alphavirus disease (CHIKV) spread by Aedes aegypti and Aedes albopictus, causing fever and severe, sometimes prolonged joint pain; no specific antiviral treatment; two licensed vaccines, Ixchiq and Vimkunya.

Ross River virus

Ross River virus (RRV) is a mosquito-borne alphavirus endemic to Australia and Papua New Guinea that causes Ross River fever, historically called epidemic polyarthritis, marked by joint pain.

Togaviridae

Togaviridae, the togaviruses, is a virus family of enveloped, positive-sense ssRNA viruses (10–12 kb genome) with one genus, Alphavirus, 32 mosquito-borne species including chikungunya and equine encephalitis viruses; Rubivirus (rubella) was moved to Matonaviridae in 2019.