Classification: ICD-9 066.3; ICD-10 A92.8
Syndromes and synonyms: Uruma fever.
Agent: Mayaro virus (MAYV), an enveloped, single-stranded, positive sense RNA virus, genus Alphavirus in the family Togaviridae, belonging to the Semliki Forest virus complex.
Reservoir: Probably non-human primates; the virus has been isolated from monkeys in Panama and French Guiana, also in the USA from a north-bound migratory bird. Antibody has been found in domestic animals and other vertebrates.
Vector: Mosquitoes, principally canopy-dwelling Haemagogus and Sabethes spp. The virus has also been isolated from Psorophora, Mansonia and Culex spp.
Transmission: By mosquito bite. Airborne transmission has been reported among laboratory personnel.