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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.


June Key Points


21 Cases
0 newoutbreaks
<1 year olds had highest incidence
62% cases not up-to-date or unknown vaccination status
A graph showing a summary of varicella cases reported by month in 2019 as compared to the previous 5-year average. In June 2020, 21 cases of varicella were reported, which is below the previous 5-year average.

The number of varicella cases reported in May increased from the previous month but remianed 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 May June: Hardee, Lee, Orange, Osceola, Palm Beach, Pasco, St. Johns, Seminole, Sumter Counties with a rate of 0.1-0.4 per 100,000 population are: Broward, Clay, Collier, Miami-Dade, Escambia, Hillsborough, Lee, Martin, Orange, Osceola, Palm Beach, Pasco, Pinellas, Polk, St. Johns, Santa Rosa, Sarasota, Seminole, Sumter Counties with a rate of 0.5-1.0 per 100,000 population are:  Gadsden, Hendry, Indian River, Wakulla Counties with a rate of 1.1-4.5 per 100,000 population are: Calhoun, Hamilton, Hardee, Jefferson

The 21 varicella cases in June were reported among the 10 counties outlined in black. From April 2020 through June 2020 the average county rate varied throughout the state.

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 237 in 2020.

From January 1, 2020 through June 30, 2020, 237 varicella cases were reported in 40 counties.

The annual number of reported varicella cases decrease from 2015 to 2017. In 2020, case counts were slightly lower than those seen in previous years at this time, as indicated by the white bars in the graph.

No Varicella outbreaks were reported in June.

A graph showing a bar graph of total cases compared to household associated cases and outbreak associated cases for June 2020 and the previous 3-month average. No Varicella outbreaks were reported in June.

In June,6 (29%) of 21 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.

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