Miami, Florida Disease Outbreaks 2023

Authored by
Last reviewed
May 7, 2023
Content Overview
Miami Florida has reported several disease outbreaks May 2023.

Miami, Florida Diseases Outbreaks May 2023

The state of Florida monitors the geographic and arbovirus surveillance systems over the eastern and southern United States. As of April 2023, Miami-Dade County (DOH-Miami-Dade) is under a mosquito-borne illness alert. No other Florida counties are currently under a mosquito-borne illness advisory or alert.

Miami, Florida Vaccination Requirements 2023

As of April 19, 2023, the state of Florida, the U.S. Centers for Disease Control and Prevention (CDC), Canada, and the United Kingdom have not issued any vaccination requirements for visitors.

Miami Diseases Outbreaks 2023

Alge Bllom - The Florida Department of Health in Miami-Dade County has lifted the health alert issued on December 2, 2022, for the presence of harmful blue-green algal toxins in the Coral Gables Canal - East Side. Follow-up water samples taken by the Department of Environmental Protection did not detect algal toxins. However, blue-green algae blooms can move around or subside and then reappear when conditions are favorable again. Therefore, residents and visitors are advised to avoid contact with the water if blooms are observed. The latest sample results can be viewed on

Chikungunya: One chikungunya fever was reported this week in persons with international travel. In 2022, one travel-associated chikungunya fever case was reported.

Dengue Fever - The DOH-Miami-Dade issued a mosquito-borne illness advisory in 2022 following the confirmation of locally-acquired dengue in Miami-Dade residents. As of April 2023, two cases of locally acquired dengue have been reported. In 2022, 68 cases of locally acquired dengue were reported. In 2023, 59 travel-associated dengue fever cases were reported.

Everglades Virus - Spillover of Everglades virus (EVEV) to humans and dogs has been recorded since the 1960s. In 2022, positive samples from 72 sentinel chickens and 11 horses were reported from 24 counties. In 2023, positive samples from six sentinel chickens and two horses were reported from five counties.

West Nile Virus - In 2022, West Nile virus-positive samples from six humans, five horses, 463 sentinel chickens, and eight mosquito pools have been reported from 27 counties. In 2023, a positive sample from one horse was reported from one county.

Florida Travel Advisories

The U.S. Department of State, the U.S. Transportation Services Administration (TSA), Canada, and the United Kingdom have not issued any safety advisories for Florida in 2023. However, on April 13, 2023, Executive Order 23-65 was published for Broward County Flooding.