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Pertussis (Whooping Cough)
Florida HealthDisease Control
March Key Points
contacts per case
or unknown vaccination status
The number of pertussis cases reported in March decreased from the previous month and was above the previous 5-year average. In general, more pertussis cases are reported during the summer months. Elevated case counts in 2020 may be due to a change in the case definition for pertussis; please see the last page for more information.
The 46 pertussis cases in March were reported among the 21 counties outlined in black. From January 2020 through March 2020 the average county rate has varied throughout the state.
From January 1, 2020 through March 31, 2020, 148 pertussis cases were reported in 38 counties.
Since 2015, the number of pertussis cases reported annually remained stable. In 2020, case counts were slightly higher than those seen during non-peak years at this time, as indicated by the white bars in the graph.
In March, 10 (22%) of 46 total pertussis cases were associated with transmission within households no cases were outbreak-associated. For most pertussis cases, exposure to other known cases is never identified, and they are not able to be linked to outbreaks.
No pertussis outbreaks were reported in March.
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