Epidemiological alert - Risk to human health associated with Western Equine Encephalitis Virus infection in Equines - 19 December 2023

Given the recent detection of Western Equine Encephalitis (WEE) outbreaks in equines located in several provinces of Argentina and some departments of Uruguay, the risk to human health associated with the circulation of this virus and the high potential for spread to other countries of the Region of the Americas, the Pan American Health Organization / World Health Organization (PAHO/WHO) alerts Member States to the importance of strengthening epidemiological surveillance and diagnosis of equine encephalitis, intersectoral coordination, surveillance, and vector control in the Region.