COMBATING INFECTION: Dengue returns to the United States

September 2010 
Volume 40  Number 9
Pages 67 - 67
  PDF Version Available!

A REPORT BY THE CDC in July 2010 indicates that dengue, a tropical viral infection transmitted by mosquito bite, has returned to the continental United States. From 1946 to 1980, no cases of dengue were reported in the continental United States. Since 1980, only a few cases coinciding with large outbreaks in Mexico have been confirmed along the Texas-Mexico border.1In September 2009, a 34-year-old woman from Rochester, New York, was diagnosed with dengue after returning from a vacation in Key West, Florida. By the end of 2009, 27 cases had been identified in Key West, and approximately 5% of the Key West population—over 1,000 people—showed evidence of recent exposure to the virus. By the end of June 2010, 12 additional cases had been reported in Key West and the surrounding area. Researchers believe that the disease may be spreading due to climate change and shifts in weather patterns.1Causing an estimated 50 to 100 million infections and 25,000 deaths worldwide each year,

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