112: Mayaro Fever

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.

Cycle

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