Since first detected in 1955 in the Carribean, Oropouche virus (OROV) has been reported across various countries in the Region of the Americas.
According to an article published in the Journal of Travel Medicine on March 2, 2025, OROV was historically confined to the Brazilian Amazon Basin and was often mistaken for dengue, another mosquito-transmitted virus.
However, since late 2022, OROV cases have also been reported in Bolivia, Ecuador, Guyana, Colombia, Cuba, Panama, and Peru.
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