The Pan American Health Organization (PAHO) has issued an alert to countries in the region to strengthen their surveillance mechanisms in the face of the risk of dengue outbreaks due to the increase in the circulation of the DENV-3 serotype.

The epidemiological alert for the Americas is aimed at preventing cases of dengue in the most vulnerable areas and avoiding severe forms of the disease.

PAHO noted that the DENV-3 serotype was “identified in several countries in the Americas, including Brazil, Colombia, Costa Rica, Guatemala, Mexico and Peru. In 2024, Argentina reported its circulation, marking the introduction of this serotype in the country. That same year, Brazil and Colombia reported an increase in cases associated with DENV-3, especially among children, and it has been detected in other nations in Central America and the Caribbean.”

With the reappearance of this serotype, the risk for the most vulnerable populations increases. In this sense, the organization recommends that countries in the region reinforce vector control measures, in addition to strengthening diagnostic capacity in health systems and providing patients with early and adequate care to prevent serious complications. Information and awareness campaigns to reduce exposure to mosquitoes that transmit the virus and eliminate breeding sites are also crucial. This is accompanied by monitoring by health authorities and timely vaccination.

M.Pino

Source: paho.org

(Reference image source: engin akyurt on Unsplash)

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