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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.


December Key Points

19 Cases
0 New
outbreaks
<1 year olds had
highest incidence rate
47% cases not
up-to-date or
unknown vaccinations status
A graph showing a summary of varicella cases reported by month in 2019 as compared to the previous 5-year average. In December 2020, 26 cases of varicella were reported, which is below the previous 5-year average.

The number of varicella cases reported in December 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 map showing the previous 3-month average varicella rates per 100,000 population. Counties with one or more cases reported in December are: Broward Clay Miami-Dade  Duval  Lake  Marion  Orange  Osceola Palm Beach  Pasco Pinellas Polk Sarasota Seminole  Taylor 2.  Counties with a rate of 0.1-0.1 per 100,000 population are: Alachua Broward Collier Miami-Dade  Orange  Osceola Palm Beach  Pasco  Pinellas  Polk  St. Johns St. Lucie Counties with a rate of 0.2-0.3 per 100,000 population are:  Highlands Lake Marion Okaloosa Sarasota Seminole Sumter Counties with a rate of 0.4-1.8 per 100,000 population are: Clay DeSoto  Okaloosa Sarasota Sumter Taylor VaricellaYearly.PNG: 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 302 in 2020.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 276 in 2020.

From January 1, 2020 through December 31, 2020, 346 varicella cases were reported in 45 counties.

The annual number of reported varicella cases decreased from 2015 to 2017. In 2020, case counts are lower than those seen in previous years at this time.

A graph showing a bar graph of total cases compared to household associated cases and outbreak associated cases for December 2020 and the previous 3-month average. In December 2020, 7 cases were associated with transmission within households.

In December, 2 varicella cases were transmitted within households while no outbreak-associated were reported. For most varicella cases, exposure to other known cases is not identied and are not able to be linked to outbreaks.

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