Strains ONNV has at least three major subtypes, or strains, the genomic sequences of which are currently available on genome databases. Transmission ONNV is transmitted by bites from an infected mosquito. It is the only virus whose primary vectors are anopheline mosquitoes (Anopheles funestus and Anopheles gambiae).
O'nyong'nyong virus
Alkhurma virus
Chinese virus
GB virus C
Muju virus
Amur virus
Modoc virus
Playa de Oro virus