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Dengue Alert Issued for Several Countries

March 3, 2021 • 2:04 pm CST
(Vax Before Travel)

The U.S.Centers for Disease Control and Prevention (CDC) issued a Level 1 Travel Alert for many parts of Central and South America, Mexico, and the Caribbean regarding Dengue virus risks. The CDC published an updated Dengue risk map for the Americas and the Caribbean.

Because mosquito bites spread dengue, all travelers to risk areas should prevent mosquito bites, said the CDC on March 2, 2021. You can find the right insect repellent by using EPA's search tool.

As of February 17, 2021, the CDC had confirmed five travel-related dengue cases in the continental US and 42 dengue cases in Puerto Rico during 2021.

Dengue disease can take up to 2 weeks to develop, with an illness generally lasting less than a week. Health effects from dengue include fever, headache, nausea, vomiting, rash, muscle and joint pain, and minor bleeding.

Dengue can become severe within a few hours. Severe dengue is a medical emergency, usually requiring hospitalization. In severe cases, health effects can include hemorrhage, shock, organ failure, and death says the CDC.

Learn more about dengue how to prevent it on CDC’s dengue page for travelers. An updated dengue vaccine approved list is found on this webpage.

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