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Respiratory Syncytial Virus (RSV) in Florida

Florida Health

Disease Control

Respiratory Syncytial Virus Surveillance

Activity Summary

Week 3 ( January 16 - January 22, 2022 )

Respiratory syncytial virus (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.


In week 3, RSV activity in children <5 years decreased and was below levels observed at this time during typical seasonal activity.

No new RSV-associated outbreaks were reported in week 3. A total of 6 RSV-associated outbreaks have been reported since week 30, 2021 (beginning on July 25, 2021).

In week 3, the percent of emergency department visits for RSV among children <5 years decreased and was below levels observed at this time during typical seasonal activity.

In week 3, the percent of emergency department and urgent care center visits for respiratory syncytial virus among children less than five years decreased. Levels were below those observed at this time during typical seasonal activity. Levels were higher than at this time during the 2020-2021 season.

In week 3, the percent of specimens testing positive for RSV decreased. Levels were below those observed at this time during typical seasonal activity.

RSV Surveillance

Florida’s RSV season is longer than the rest of the nation and has distinct regional patterns. The RSV seasons shown here are based on activity thresholds provided by the Centers for Disease Control and Prevention.

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.

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 (see Figure 30). Currently, all of Florida’s five regions are in RSV season.

To learn more about RSV in Florida, please visit FloridaHealth.gov/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

The Figure shows 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.