Prevention

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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 now recommended for U.S. territories of American Samoa, Puerto Rico, and the U.S. Virgin Islands, and freely associated states, including the Federated States of Micronesia, the Republic of Marshall Islands, and the Republic of Palau.
Protect Yourself and Others
Plan For Travel
Prevent Mosquito Bites
Dengue Vaccine
Page last reviewed: September 30, 2021
Content source: Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases (NCEZID), Division of Vector-Borne Diseases (DVBD)