Level 1 Travel Health Notice Issued For Dengue Outbreaks

Some countries are reporting increased dengue outbreaks in Central and South America, Mexico, and the Caribbean during 2023. Dengue can become severe within a few hours. Severe dengue is a medical emergency, usually requiring hospitalization.

The U.S. Center for Disease Control and Prevention (CDC) issued a Level 1 Travel Health Notice on September 25, 2023, to alert international travelers of this mosquito-transmitted health risk.

According to the CDC, dengue is endemic in about 125 countries. 

The countries listed below have recently reported higher-than-usual dengue cases, and travelers visiting these countries may be at increased risk of catching this serious disease.

Argentina

Colombia

Cuba

Guadeloupe

Guatemala

Jamaica

Martinique

Nicaragua

Panama

Peru

In the U.S., 44 jurisdictions have reported about 880 dengue cases in 2023. The majority of these dengue cases were detected in Florida and Puerto Rico.

Since October 2022, two dengue vaccines have been authorized in various countries.