The Pan American Health Organization [PAHO] has issued an epidemiological alert regarding the increased risk of dengue outbreaks in the Americas, including the Caribbean.
PAHO attributed the risk to the growing circulation of the DENV-3 serotype in several countries in the region.
The regional health agency is urging member countries to strengthen their surveillance, early diagnosis, and clinical management to address potential increases in dengue cases.
Dengue, transmitted by the aedes aegypti mosquito, has four serotypes: DENV 1, 2, 3, and 4.
Immunity against one serotype only provides lifelong protection against that specific serotype, meaning subsequent infections with other serotypes can increase the risk of severe forms of the disease.
PAHO says the appearance or rise of a serotype that was not previously predominant in a region can lead to a surge in cases due to greater population susceptibility.
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