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Varicella (Chickenpox) in Florida

Florida Health

Disease Control

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


August Key Points

In August, there
were 8 Cases
99 new cases
between March-August
No outbreaks
in 20202
<1 year olds had
highest incidence
A graph showing a summary of varicella cases reported by month in 2019 as compared to the previous 5-year average. In August 2020, 8 cases of varicella were reported, which is below the previous 5-year average.

The number of varicella cases reported in August decreased from the previous month and remained below the previous 5- year average. Due to robust vaccination programs, there is no longer discernable seasonality for varicella cases in the United States.

A graph showing a summary of the total number of varicella cases reported by year with an emphasis on 2019. In total for each year there have been: 567 in 2014; 741 in 2015; 733 in 2016; 656 in 2017; 853 in 2018; 985 in 2019; and 256 in 2020.

Ninety-nine varicella cases were reported between March and August 2020, which is an 81% decrease compared to March to August 2019 (518 cases).

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 to August 2020 and March to August 2019. The average number of household-associated cases between March and August was four times lower than the average household-associated cases between March and August in 2019.  No outbreak-associated cases have been identified in 2020.

The average number of household-associated cases between March and August 2020 was four times lower than the average number of household-associated cases between March and August in 2019. No outbreak-associated cases have been identified in 2020. For most varicella cases, exposure to other known cases is never identified, and they are not able to be linked to outbreaks.

*Note: This page contains materials in the Portable Document Format (PDF). The free Acrobat Reader may be required to view these files.