alpha-virus, alpha virus, Arbovirus group A
viiruste perekond sugukonnast Togaviridae (togaviirused), a genus of single-stranded RNA viruses of the family Togaviridae that are transmitted by arthropods and especially mosquitoes and that include the Mayaro virus, Semliki Forest virus, Sindbis virus, and the causative agents of chikungunya and equine encephalitis, a virus of the arbovirus group, which includes Western, Eastern, and Venezuelan equine encephalitis, Semliki Forest virus, and Sindbis virus, A‑rühma arboviirus (mh. Semliki Forest ‑viirus)