Mayaro virus (MAYV) — which can cause fever, joint aches, muscle pains, headache, eye pain, rash, nausea, vomiting and diarrhea — first was isolated from the blood of five symptomatic workers in Mayaro County, Trinidad, in 1954. Since then, it has caused sporadic outbreaks and small epidemics in several South and Central American countries.

Credit CDC

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