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Respiratory Syncytial Virus (RSV) in Florida

Florida Health

Disease Control

Respiratory Syncytial Virus Surveillance

Activity Summary

Week 13 ( March 22-28, 2020 )

In week 13, RSV activity in children <5 years increased and was slightly above levels observed at this time in previous seasons.

No new RSV-associated outbreaks were reported in week 13. A total of ten RSV-associated outbreaks have been reported since week 30, 2019 (beginning on July 27, 2019).

A graph showing that In week 13, RSV activity in children <5 years increased and was slightly above levels observed at this time in previous seasons.

In week 13, the percent of emergency department and urgent care center visits for RSV among children <5 years increased and was slightly above levels observed at this time in previous seasons.

RSV Surveillance

RSV is a common respiratory virus that usually causes mild, cold-like symptoms. Young children and older adults, especially those with certain underlying health conditions, are at higher risk for severe illness from RSV. Prophylaxis is available for children who qualify. For more information, contact your health care provider.

A statewide RSV surveillance system was implemented in Florida to support clinical decision-making for prophylaxis of premature infants.

The determination of unique seasonal and geographic trends of RSV activity in Florida has important implications for prescribing patterns for initiating prophylaxis to children at high risk for complications from RSV infection. The American Academy of Pediatrics currently recommends pre-approval for prophylactic treatment be made based on state surveillance data. For more information on RSV surveillance systems used in Florida, see the last page of this report.

Florida’s RSV season is longer than the rest of the nation and has distinct regional patterns. The Florida Department of Health established regional RSV seasons based on activity thresholds provided by the Centers for Disease Control and Prevention. Currently, all of Florida’s regions are in RSV season.

A map of Florida showing which counties are is season for RSV. Northwest Region, October- April (currently in season): Escambia, Santa Rosa, Okaloosa, Bay, Washington, Holmes, Jackson, Calhoun, Gulf, Gadsden, Liberty, Franklin, Wakulla, Leon, Jefferson. North Region, September-March (currently in season): Madison, Taylor, Hamilton, Suwannee, Lafayette, Dixie, Levy, Alachua, Gilchrist, Union, Bradford, Columbia, Barker, Nassau, Duval, Clay, St. Johns, Putnam. Central Region, August-March (currently in season): Citrus, Marion, Flagler, Volusia, Lake, Sumter, Citrus, Hernando, Pasco, Pinellas, Hillsborough, Osceola, Brevard, Orange, Seminole. Southwest Region, September-April (currently in season): Polk, Manatee, Hardee, Highlands, Okeechobee, Glades, Charlotte, Desoto, Sarasota, Lee, Hendry, Collier. Southeast Region, January-December (currently in season): Indian River, St. Lucie, Martin, Palm Beach, Broward, Miami-Dade, Monroe.

Florida’s RSV regional season breakdown. Regions that are currently in RSV season are marked with pink stars.

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