Dengue fever: How a mosquito infected millions, and not with malaria

Story highlights

  • Dengue fever is now endemic in more than 100 countries
  • Globally, there are more than 50 million infections each year

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(CNN)A bite from a single mosquito can result in fever, headaches, and pain. Severe cases can experience a multitude of symptoms including bleeding, shock, organ failure -- and potentially death.