The U.S. Centers for Disease Control and Prevention is maintaining a Level 1 travel health notice for dengue, telling travelers to practice usual precautions in countries where the mosquito-borne virus is circulating at higher-than-usual levels¹.

The agency originally posted the notice on June 20, 2024, and says it updates the notice regularly from current data¹.

CDC lists Bangladesh, Bolivia, Cambodia, Chad, Colombia, Cuba, Ecuador, Kenya, Malaysia, the Marshall Islands, Panama, Peru, Vanuatu, Vietnam, and Wallis and Futuna as reporting higher-than-usual dengue or more dengue among returning U.S. travelers than expected¹.

The agency says dengue is a year-round risk in many parts of the world, with outbreaks commonly every two to five years, and that not every country with dengue transmission appears on the list¹.

Travelers should prevent mosquito bites with EPA-registered insect repellent, long-sleeved shirts and long pants outdoors, and sleep in air-conditioned rooms or rooms with window screens, CDC says¹.

Dengue is caused by a virus spread by mosquito bites; illness can take up to two weeks to develop and usually lasts less than a week, with fever, headache, nausea, vomiting, rash, muscle and joint pain, and minor bleeding, according to CDC¹.

Severe dengue can progress within hours and may include bleeding, shock, organ failure and death, the agency says¹.

Not medical advice.

Sources

1. Centers for Disease Control and PreventionGlobal DengueNov 10, 12:00 AM

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