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Oropouche fever is endemic to the Amazon basin, with some evidence that its range may be spreading more widely in South and Central America. [4] Since its discovery in 1955, there have been more than 30 epidemics of OROV in countries including Brazil, Peru, and Panama, with over half a million diagnosed cases in total. [ 5 ]
Oropouche is a virus that is native to forested tropical areas. It was first identified in 1955 in a 24-year-old forest worker on the island of Trinidad, and was named for a nearby village and ...
A little-known disease spread by insect bites has turned deadly, and health officials are sounding the alarm.
Outbreaks of the Oropouche virus primarily occur in tropical regions of South America, Central America and the Caribbean, with the most frequent cases reported in the Amazon region of Brazil and Peru.
Oropouche orthobunyavirus (OROV) is one of the most common orthobunyaviruses. When OROV infects humans, it causes a rapid fever illness called Oropouche fever . OROV was originally reported in Trinidad and Tobago in 1955 from the blood sample of a fever patient and from a pool of Coquillettidia venezuelensis mosquitoes. [ 1 ]
An outbreak of Oropouche fever began in December 2023. Over 9,852 infections have been reported, including the first outside the Amazon region to which Oropouche virus is endemic. Although most cases have occurred in Brazil, local transmission has also been reported in Bolivia, Peru, Colombia, and Cuba.
Oropouche virus symptoms are similar to those of dengue, according to the CDC. They include headaches, fever, muscle aches, stiff joints, nausea, vomiting, chills and sensitivity to light.
Culicoides paraensis is a species of midge found from the northern United States to Argentina, which acts as the vector of the Oropouche fever virus. [ 2 ] References