PAHO, OROVs on the rise in Latin America

According to the Epidemiological Update Oropouche in the Americas Region (11 February 2025), a total of 3,765 confirmed cases of Oropouche virus (OROV) infection were reported in the Americas Region between epidemiological week (EW) 1 and EW 4 in 2025. The confirmed cases were distributed among six countries: Brazil, Canada (1 imported case from Colombia), Cuba, Guyana, Panama, and Peru. Brazil, with 3,678 confirmed cases, was the most affected country, with three regions recording OROV instances: Espírito Santo (3,463), Rio de Janeiro (167) and Minas Gerais (33). Regarding the distribution of cases by sex and age group, 53.1% (1,955) were male, and the highest proportion of cases was in the 30-39 age group, with 18.7% (689) of the reported cases. Cuba documented four confirmed cases of OROV, 50% of which were female, with the highest proportion of cases in the 19-54 age group, accounting for 75% of the total. The only case confirmed in Guyana refers to a 15-year-old female with no history of travel and no need for hospitalisation. Two laboratory-confirmed cases of Oropouche have been reported from the department of Loreto in Peru. In 2025, Ecuador did not report any confirmed cases of OROV.