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Pertussis (Whooping Cough)

Florida Health

Disease Control

October Key Points

97 Cases
411 cases in the past
6 months
One new outbreaks
<1 year olds had
highest 6 month incidence


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

A graph showing a summary of pertussis cases reported by month in 2024 as compared to the previous 5-year average. In October 2024, 97 cases of pertussis were reported, which is above the previous 5-year average.

In October 2024, 97 Pertussis cases were reported in 27 counties, outlined in black in the map below. From July 2024 through October 2024 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 October are: Brevard Broward Clay Collier Miami-Dade Duval Escambia Flagler Hendry Hillsborough Lake Lee Madison Manatee Monroe Nassau Okaloosa Orange Palm Beach Pinellas Polk St. Johns Santa Rosa Sarasota Seminole Taylor Volusia Counties with a rate of 0.11-1.08 per 100,000 population are: Leon Broward Hernando Santa Rosa Miami-Dade Bay Martin St. Johns Osceola Manatee Flagler Hillsborough Volusia Duval Charlotte Orange Palm Beach St. Lucie Pasco Lake Walton Monroe Escambia Pinellas Polk Columbia Brevard Seminole Lee Clay Okaloosa Hendry Counties with a rate of 1.09-3.19 per 100,000 population are: Sarasota Collier Nassau DeSoto Counties with a rate of 3.2-21.86 per 100,000 population are: Taylor Madison

In 2024, 512 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: 391 in 2019; 216 in 2020; 55 in 2021, 60 in 2022, 85 in 2023, and 512 in 2024.

In October 2024, 12 pertussis cases were outbreak-associated. In the past 6 months, there was an average of 21 household-associated cases, and an average of 1 outbreak-associated case and an average of 60 total cases. From May 2023 to October 2023, there was an average of 1 household-associated case, an average of 0 outbreak-associated cases and an average of 5 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 May 2024 - October 2024 and May 2024 - October 2024. There was an average of 21 household-associated cases and 3 outbreak-associated case between April 2024 - October 2024 and an average of 1 household-associated case between April 2023 and October 2023.

  • RESOURCES

 

Laboratory Testing Results