Source: Centers for Disease Control and Prevention — Content from the Centers for Disease Control and Prevention (public domain).
Mosquito bites spread dengue viruses to people, infecting millions annually, often multiple times.
May 22, 2025
Most dengue cases in the 49 continental US states occur in travelers, but local spread is possible.
May 15, 2025
Dengue is common in many countries globally. Travelers are at risk when visiting these areas.
Dec 8, 2025
Use repellent, control mosquitoes, and take other steps to prevent mosquito bites that spread dengue
May 15, 2025
For professionals
Dengue for Health Care Providers
Vital guidelines for diagnosis, treatment, and prevention of dengue for healthcare providers.
May 14, 2024
Guidance for Health Departments
Considerations for health departments about reporting dengue cases and controlling mosquitoes.
May 15, 2025
Refer to a pocket guide for dengue case management, including recommendations by patient group.
June 20, 2025
Featured
About 1 in 4 people infected with dengue get sick. Severe dengue is a medical emergency.
May 22, 2025
Dengue Communication Resources
Fact sheets about dengue, prevention, and caring for babies, pregnant women, and family.
May 22, 2025
Dengue most commonly spreads to people through the bites of infected mosquitoes.
May 22, 2025