Florida's East Coast Dengue Challenges Continue in October 2025

The Florida Department of Health (DOH) recently reported additional mosquito-transmitted Dengue Fever cases, one each in Miami-Dade and Brevard counties along the east coast.

In 2025, 47 cases of locally acquired Dengue have been reported in Brevard (31), Hillsborough, Miami-Dade (14), and Pasco counties.

In 2024, 91 locally acquired Dengue cases were reported from ten Florida counties (Miami-Dade (50). Most dengue cases are serotyped as DENV-3 and DENV-4.

Additionally, fifteen cases of Dengue were reported this week in persons who had traveled internationally. In 2025, 254 travel-associated dengue cases were reported, led by 167 people with Cuba-related visits.

To notify residents and visitors of this health risk, the DOH has announced that Alachua, Bay, Clay, Duval, Hillsborough, Lafayette, Leon, Palm Beach, Pasco, and Pinellas counties are currently under a mosquito-borne illness advisory.

And Brevard, Escambia, and Miami-Dade counties are presently under a mosquito-borne illness alert.

As of October 11, 2025, Dengue vaccines are unavailable in Florida, but are being tested on children in Puerto Rico.