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Mumps in Florida

Florida Health

Disease Control

Mumps Surveillance
2019 Yearly Summary

The number of reported mumps cases in 2019 increased from 2018 and was higher than counts seen during recent years. There were 3 outbreaks reported, and cases were reported throughout the state. Vaccination is the best way to prevent mumps, and the majority of mumps cases in 2019 were not up-to-date on vaccinations or had unknown vaccination status.

This image contains a summary of the total number of mumps cases reported from 2014 through 2019. In total for each year there have been: 1 in 2014, 10 in 2015, 16 in 2016, 74 in 2017, 55 in 2018, and 134 in 2019.

From January 1, 2019 through December 31, 2019, 134 mumps cases were reported in 21 counties.

In 2019, case counts were higher than those observed in previous years.

This image contains a summary of mumps cases reported by month in 2018 as compared to the previous 5-year average. February (4 cases), March (6 cases), April (6 cases), May (20 cases), June (26 cases), July (37 cases), August (16 cases), and September (6 cases) were above the previous 5-year-average. October (6 cases) was similar to the previous 5-year-average. January (2 cases), November (1 case), and December (4 cases) were below the previous 5-year-average.

The number of mumps cases reported in 2019 was at or above the previous 5-year average for all but 3 months of the year. The notable increase in summer months was due to two outbreaks first reported in May.

An image of a  map that shows the yearly mumps rates per 100,000 population. Counties with a rate of 0.1-0.6 per 100,000 population are: Santa Rosa, Bay, Leon, Duval, Clay, St. Johns, Seminole, Osceola, Indian River, Pasco, Pinellas, Hillsborough, Sarasota, Lee, Broward, Palm Beach, and Martin. Counties with a rate of 0.7-4.9 per 100,000 population are: Holmes, Monroe, and Miami-Dade. Counties with a rate of 5.0-13.1 per 100,000 population are: Alachua.

The 134 mumps cases in 2019 were reported across the state, and the 3 outbreaks during 2019 were reported in Alachua, Broward, and Miami-Dade counties.

This image contains a summary of outbreak-associated cases reported in 2019. In 2019, 10 (7%) of 134 total cases were associated with transmission within households and 85 (63%) cases were outbreak-associated.

In 2019, 10 (7%) of 134 total cases were associated with transmission within households and 85 (63%) cases were outbreak-associated. There were a total of 3 outbreaks reported in 2019, 2 in a detention center and 1 in a university.

This image contains a summary of incidence rate per 100,000 by age group. In 2019, age incidence rates were: 0 per 100,000 for <1-year-olds, 0.3 per 100,000 for 1-5 year-olds, 0.4 per 100,000 for 6-11 year-olds, 1.1 per 100,000 for 12-18 year-olds, and 0.6 per 100,000 for 19 year-olds and older.

In 2019, the mumps rate was highest among adolescents 12-18 years old at 1.1 cases per 100,000 population.

This image contains the percentage of mumps cases by vaccination status for 2019. 8% of cases were never immunized, 7% of cases were under-vaccinated, 31% of cases were up-to-date on vaccinations, 0% of cases were too young for vaccination, and 54% of cases had unknown vaccinations status.

Vaccination is the best way to prevent mumps infections. The majority of mumps cases in 2019 were not up-to-date on vaccinations or had unknown vaccination status.

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