Which areas of South America are at highest risk for dengue?

Updated: May 03, 2019
  • Author: Darvin Scott Smith, MD, MSc, DTM&H; Chief Editor: Michael Stuart Bronze, MD  more...
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Answer

Hyperendemic circulation of all 4 dengue serotypes is present in the northern countries of South America. Brazil (700,000 cases in 2002), Colombia, and Venezuela report the most cases of dengue and dengue hemorrhagic fever, with low-level transmission occurring year-round but with most occurring during periods of epidemic transmission. Since the 1970s, outbreaks of dengue fever have increased in frequency and severity in the Caribbean. Significant outbreaks of dengue have been reported in 2005 and 2006 in Puerto Rico, the US Virgin Islands, the Dominican Republic, Barbados, Curacao, Cuba, Guadeloupe, and Martinique.


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