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.

There is no treatment or vaccine and no real means of protecting yourself in countries endemic for the disease.
Though affected countries were once few, today more than 100 harbor the risk of infection -- putting more than half the world's population at risk and resulting in 50 million infections each year.
    The infection is Dengue -- formerly known as "break-bone fever" because of the severe joint points it causes -- and it's spread by one of nature's toughest, most versatile mosquitoes -- and it's not the one that spreads malaria.

    Coexisting with humans

    "It lives, eats and breathes humans" says