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Pertussis (Whooping Cough)

Florida Health

Disease Control

February Key Points

120 Cases
616 cases in the past
6 months
One new outbreak
<1 year olds had
highest 6 month incidence


The number of pertussis cases reported in February decreased from the previous month, and was above the previous 5-year average.

A graph showing a summary of pertussis cases reported by month in 2025 as compared to the previous 5-year average. In February 2025, 120 cases of pertussis were reported, which is above the previous 5-year average.

In February 2025, 120 pertussis cases were reported in 27 counties, outlined in black in the map below. From December 2024 through February 2025 the average county rates varied throughout the state.

A map showing the previous 3-month average pertussis rates per 100,000 population. Counties with one or more cases reported in February are: Brevard Broward Collier Columbia Miami-Dade Duval Escambia Flagler Hendry Hernando Hillsborough Indian River Lake Lee Manatee Marion Okaloosa Orange Palm Beach Pasco Pinellas Polk St. Lucie Santa Rosa Sarasota Volusia Walton Counties with a rate of 0.15-0.29 per 100,000 population are: Orange Broward Marion Seminole St. Johns Sumter Duval Alachua Polk Counties with a rate of 0.3-0.94 per 100,000 population are: Flagler Santa Rosa Charlotte Nassau Hillsborough Sarasota Osceola Indian River Miami-Dade Monroe Palm Beach Citrus Brevard St. Lucie Okaloosa Lee Pinellas Collier Pasco Lake Manatee Volusia Levy Hendry Counties with a rate of 0.95-2.23 per 100,000 population are: Hernando Walton Martin Columbia Escambia DeSot

In 2025, 258 pertussis cases were reported. These case counts are trending towards levels reported pre-pandemic in 2019. Mitigation efforts used during the pandemic likely lowered transmission of pertussis.

A graph showing a summary of the total number of pertussis cases reported by year with an emphasis on 2019. In total for each year there have been: 216 in 2020; 55 in 2021, 60 in 2022, 85 in 2023, 708 in 2024, and 139 in 2025.

In February 2025, 4 pertussis cases were outbreak-associated. In the past 6 months, there was an average of 29 household-associated cases, an average of 6 outbreak-associated cases, and an average of 102 total cases. From August 2023 to February 2024, there was an average of 1 household-associated case, an average of 1 outbreak-associated cases and an average of 10 total cases. For most pertussis cases, exposure to other known cases is not identified and are not able to be linked to outbreaks.

A graph showing a bar graph of the average number of total cases compared to the average number of household-associated cases and the average number of outbreak-associated cases for September 2024 - February 2025 and September 2023 - February 2024. There was an average of 29 household-associated cases and 6 outbreak-associated case between September 2024 - February 2025 and an average of 1 household-associated case and 1 outbreak-associated case between September 2023 and February 2024.

  • RESOURCES

 

Laboratory Testing Results