PAHO issues high risk warning for Oropouche fever outbreak in America
2024-08-06
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The Pan American Health Organization issued an epidemiological alert on the 3rd, issuing a high-risk warning for the recent Oropouche fever outbreak in the Americas and calling on countries to strengthen monitoring and laboratory diagnosis of the Oropouche virus.
The alert said that the clinical and epidemiological characteristics of Oropouche fever have "recently undergone highly concerning changes," including an increase in cases outside the regular epidemic areas, the recent confirmation of the world's first two deaths from Oropouche fever in Brazil, and the potential for vertical transmission of the virus (transmission from mother to baby during pregnancy or delivery), so the decision was made to raise the transmission risk level in the Americas.
Statistics show that from January 1 to July 30, 2024, five countries in the Americas reported a total of 8,078 confirmed cases of Oropouche fever, including 7,284 in Brazil, 356 in Bolivia, 290 in Peru, and 74 each in Colombia and Cuba. In Brazil, 76% of the cases occurred in the Amazon region.
The Pan American Health Organization stressed that the risk of Oropouche virus transmission is increasing due to human activities such as climate change, deforestation, uncontrolled and unplanned urbanization, which affect biological habitats and shorten the distance between vector insects and hosts. However, there is currently no evidence that Oropouche virus is transmitted between people.
According to the World Health Organization website, Oropouche fever is caused by the Oropouche virus, a single-stranded RNA virus, and is mainly transmitted by bites of blood-sucking vector insects such as mosquitoes and midges. Its symptoms are similar to those of dengue fever, including high fever, headache, myalgia, rash, joint pain and vomiting, usually lasting 3 to 6 days, and up to 60% of cases will relapse briefly. Oropouche fever outbreaks have been reported in Brazil, Ecuador, Panama, Peru, Trinidad and Tobago.
Source: CCTV News Client
Editor: Li Juan
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