n. any member of a genus of *arboviruses transmitted by mosquitoes. Many alphaviruses can cause disease in humans and animals, including *O’nyong nyong fever and *Ross River fever.
a viral disease caused by an *alphavirus transmitted by mosquitoes. Various vertebrates can be infected, and wild rodents may be reservoirs of the infection. The virus can cause epidemics of *polyarthritis and skin rashes (macules and papules). It occurs in Australia and the western Pacific region.... ross river fever
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