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04/02/24 Public Health Education Topic: Dengue

Per CDC:


What is Dengue?

Dengue viruses are spread to people through the bite of an infected Aedes species (Ae. aegypti or Ae. albopictus) mosquito. Almost half of the world’s population, about 4 billion people, live in areas with a risk of dengue. Dengue is often a leading cause of illness in areas with risk.


What You Need to Know About Dengue:

Aedes aegypti mosquitoes spread dengue to people through bites.

  • Dengue viruses are spread to people through the bite of an infected Aedes species (Ae. aegypti or Ae. albopictus) mosquito. These mosquitoes also spread Zika, chikungunya, and other viruses.

  • Almost half of the world’s population, about 4 billion people, live in areas with a risk of dengue. Dengue is often a leading cause of illness in areas with risk.

  • Each year, up to 400 million people are infected by a dengue virus. Approximately 100 million people get sick from infection, and 40,000 die from severe dengue.

  • Dengue is caused by one of any of four related viruses: dengue virus 1, 2, 3, and 4.  A person can be infected with dengue multiple times in their life.


Key Facts:

  • 1 in 4: About one in four people infected with dengue will get sick.

  • For people who get sick with dengue, symptoms can be mild or severe.

  • Severe dengue can be life-threatening within a few hours and often requires care at a hospital.

For more information visit: Dengue | CDC



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