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Pertussis (Whooping Cough)

Florida Health

Disease Control

The COVID-19 pandemic is affecting health care seeking behavior, which may be impacting the diagnosis and reporting of pertussis cases that are shown in this report. For more information on the COVID-19 pandemic in Florida, please visit

August Key Points

2 Cases in
26 cases in the past
6 months
No outbreaks have
been reported in 2021
<1 year olds had
highest 6 month incidence rate

In 2021, 33 pertussis cases were reported in 15 counties. There was an 89% decrease in the number of pertussis cases reported between March 2021—August 2021 compared to March 2019—August 2019 (n=227 cases).

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: 335 in 2016; 358 in 2017; 326 in 2018; 392 in 2019; 215 in 2020; and 33 in 2021.

The number of pertussis cases reported in August was lower than the previous month, and was below the previous 5-year average. Elevated case counts in early 2020 may be due to a change in the case indentified for pertussis.

A graph showing a summary of pertussis cases reported by month in 2020 as compared to the previous 5-year average. In August 2021, 2 cases of pertussis were reported, which is below the previous 5-year average.

No outbreak-associated and 1 household-associated case have been identified in 2021. 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 March 2021 - August 2021 and March 2019 - August 2019. There was an average of 1 household-associated cases between March 2021 - August 2021 and no outbreak-associated case has been identified in 2021.

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