What We Know

  • a bottle of insect repellent

    Prevent dengue by avoiding mosquito bites.

  • All four dengue viruses are spread primarily through the bite of an infected Aedes species (Ae. aegypti and Ae. albopictus) mosquito. These mosquitoes also spread chikungunya and Zika viruses.
  • The mosquitoes that spread dengue are found in most tropical and subtropical regions of the world, including many parts of the United States.
  • Ae. aegypti and Ae. albopictus bite during the day and night.
  • A dengue vaccine is available for use in some parts of the world, including United States territories.