Mosquito bites spread dengue viruses to people, infecting millions annually, often multiple times.
Millions of people got sick during recent dengue outbreaks in the Americas. Prevent mosquito bites.
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.
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.
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About 1 in 4 people infected with dengue get sick. Severe dengue is a medical emergency.
Use repellent, control mosquitoes, and take other steps to prevent mosquito bites that spread dengue
Dengue most commonly spreads to people through the bites of infected mosquitoes.