Mayaro Virus (MAYV)

Arbovirus: alphavirus, member of Togaviridae family, with single-stranded RNA

Location: tropical and subtropical regions in South America, Central America and the Caribbean

Cases may be encountered in non-endemic regions in travelers.

Vector: mosquitoes, Aedes plus other species

Risk factors primarily reflect exposure to mosquitoes (rainy season, rain forest).

Clinical features:

(1) skin rash

(2) arthralgias or polyarthritis, which can be disabling

(3) headache

(4) conjunctivitis

(5) myalgias

(6) fever

Differential diagnosis:

(1) dengue

(2) Chikungunya

(3) Zika