Southeast Florida Remains on Mosquito Alert: Travel-Linked Chikungunya, Dengue, Malaria Cases Spark Summer Vacation Concerns

As warmer weather and spring rains signal the start of another mosquito season in Florida, health officials are urging both residents and visitors to take extra precautions against diseases such as Dengue, chikungunya, and malaria.

While local transmission of these viruses remains relatively low in 2026 compared with previous years, 2025 saw several locally acquired infections, particularly in Southeast Florida.

Early data from from Miami-Dade County suggest that continued vigilance is essential in 2026.

The latest arbovirus surveillance report from the Florida Department of Health (#13), as of April 4, 2026, indicates ongoing activity, with 20 travel-associated cases of Dengue, 28 travel-associated cases of chikungunya fever, and 10 reported malaria cases—all in individuals who recently traveled to areas where malaria is endemic.

"Florida's subtropical climate and densely populated areas make us particularly vulnerable," said a spokesperson for the Florida Department of Health in recent surveillance updates. "While we have robust mosquito control programs in place, individual actions remain critical.”

"Residents who experience fever, joint pain, rash, or severe headaches after being bitten by mosquitoes are advised to seek medical attention promptly and inform healthcare providers of any recent travel or local exposure. Testing and reporting are vital for helping officials track and respond to potential outbreaks."

Unlike many infectious diseases, most mosquito-borne illnesses in Florida do not have widely available vaccines for the general public.

However, for chikungunya, the U.S> FDA-approved VIMKUNYA vaccine is available throughout the United States. It can be accessed at Florida travel clinics and select pharmacies, but it is not routinely recommended for everyday residents.

Currently, Dengue and malaria vaccines are available in other countries; they are not available in the USA as of April 12, 2026.