View your list of saved words. (You can log in using Facebook.)
Definition of ALPHAVIRUS
: 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
Seen & Heard
What made you want to look up Alphavirus? Please tell us where you read or heard it (including the quote, if possible).