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Pertussis (Whooping Cough)

Florida Health

Disease Control

July Key Points

66 Cases
253 cases in the past
6 months
No new outbreaks
<1 year olds had
highest 6 month incidence


The number of pertussis cases reported in July 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 July 2024, 66 cases of pertussis were reported, which is above the previous 5-year average.

In July 2024, 66 Pertussis cases were reported in 19 counties, outlined in black in the map below. From May 2024 through July 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 July are: Bay Brevard Broward Charlotte Miami-Dade DeSoto Dixie Hillsborough Jackson Lee Manatee Orange Palm Beach Pasco Pinellas Polk St. Lucie Sarasota Volusia Counties with a rate of 0.07-0.55 per 100,000 population are: Osceola Manatee Collier Duval Escambia Polk Pinellas Santa Rosa Charlotte Marion Orange Seminole Martin Broward Palm Beach Pasco Volusia Miami-Dade Sarasota Brevard Hillsborough Hernando Counties with a rate of 0.56-1.96 per 100,000 population are: St. Lucie Jackson Walton Lee Bay DeSoto Nassau Counties with a rate of 1.97-4.12 per 100,000 population are: Dixie Lafayette

In 2024, 266 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 266 in 2024.

In July 2024, no pertussis cases were outbreak-associated. In the past 6 months, there was an average of 9 household-associated cases, and an average of 1 outbreak-associated case and an average of 42 total cases. From February 2023 to July 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 February 2024 - July 2024 and February 2024 - July 2024. There was an average of 9 household-associated cases and 1 outbreak-associated case between February 2024 - July 2024 and an average of 1 household-associated case between February 2023 and July 2023.