Mosquito bites spread dengue viruses to people, infecting millions annually, often multiple times.
Most dengue cases in the 49 continental US states occur in travelers, but local spread is possible.
Dengue is common in many countries globally. Travelers are at risk when visiting these areas.
Use repellent, control mosquitoes, and take other steps to prevent mosquito bites that spread dengue
For professionals
Vital guidelines for diagnosis, treatment, and prevention of dengue for healthcare providers.
Considerations for health departments about reporting dengue cases and controlling mosquitoes.
Refer to a pocket guide for dengue case management, including recommendations by patient group.
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About 1 in 4 people infected with dengue get sick. Severe dengue is a medical emergency.
Fact sheets about dengue, prevention, and caring for babies, pregnant women, and family.
Dengue most commonly spreads to people through the bites of infected mosquitoes.