The Centers for Disease Control and Prevention (CDC) has issued a health advisory for increased risk of dengue virus infections in the United States for 2024. Global cases of dengue in 2024 have been the highest on record for this calendar year and U.S. travelers have had a higher-than-expected number of dengue cases.

What to do if you're a member of the public:

• Protect yourself from mosquito bites, especially if you live in or are visiting areas with dengue transmission.
• Know the symptoms of dengue and contact your doctor if you think you're infected.

What to do if you're a health care provider:

• Have increased suspicion of dengue for people with fever who have been in areas with dengue transmission within 14 days before illness onset.
• Order appropriate diagnostic tests for acute dengue infection.
• For zero to seven days from onset, test serum using PCR and IgM, or NS1 antigen and IgM.
• For more than seven days from onset, test serum using IgM.
• Report dengue cases to public health authorities within five days.
• Promote mosquito bite prevention measures to people living in or visiting areas with dengue transmission.
• View the CDC's guidance on dengue and our dengue investigation PDF and recording.