Varicella (Chickenpox) in Florida
Contact: Florida Health
October Key Points
unknown vaccination status
The number of varicella cases reported in October increased slightly from last month and remained above the previous 5-year average. Due to robust vaccination programs, there is no longer a discernable seasonality for varicella cases in the United States.
The 86 varicella cases in October were reported among the 26 counties outlined in black. From August through October 2019 the average county rate varied throughout the state.
From January 1, 2019 through October 31, 2019, 839 varicella cases were reported in 55 counties.
The annual number of reported varicella cases decreased from 2015 to 2017. Year-to-date cases counts as of October 2019 are higher than those seen at this time in previous years, as noted by the white bar in the figure.
In October, 13 (15%) of 86 total cases were associated with transmission within households and no cases were outbreak-associated. For most varicella cases, exposure to other known cases is never identified, and they are not able to be linked to outbreaks.
No varicella outbreaks were reported in October.
So far in 2019, a total of one varicella outbreak has been reported in a detention facility.
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