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Influenza

Florida Health

Disease Control

Florida FLU REVIEW

Season: 2021 Week 14: 4/4/21 - 4/10/21

graphical iconGeographic Spread:
Sporadic

graphical iconPredominate Strain:
Unknown

graphical iconILI Activity Trend:
Stable

Week 14 influenza & influenza-like illness (ILI) activity summary:

During Week 14, influenza and ILI activity remained at low levels across the state. Influenza seasons vary in timing, severity, and duration.

During the last four weeks, the percent of influenza-positive laboratory results remained low. Due to low testing volume it is difficult to determine what strain will predominate during the 2020-21 influenza season.

Likewise, the percent of emergency department and urgent care center visits with discharge diagnoses that include influenza remained low in recent weeks.

No new influenza-associated pediatric deaths were reported in Week 14.

The Centers for Disease Control and Prevention (CDC) continues to recommend that people who have not yet been vaccinated do so as soon as possible. Vaccination should continue as long as influenza viruses are circulating. Influenza vaccination is especially important for people at higher risk for complications (children, adults ≥65 years, pregnant women, and people with underlying medical conditions). Influenza vaccination reduces risk of flu illness, hospitalization, and death.

An article published on January 27, 2021 estimated vaccine effectiveness against influenza-associated hospitalizations and emergency department visits among U.S. children for the 2019-2020 season. Influenza vaccination was protective against laboratory-confirmed influenza (doi.org/10.1093/cid/ciab060).

The COVID-19 pandemic is affecting health care seeking behavior, which may be impacting the ILI and influenza activity trends shown in this report. An overall reduction in the number of emergency department and urgent care center visits has been observed since March 2020, along with changes in the reasons for seeking care at these facilities.

Of note, some of the figures in this report that previously displayed chief complaints of ILI were updated to display discharge diagnoses of influenza to better reflect influenza activity trends in Florida. The Florida Department of Health will continue to make updates and provide clarification on the trends presented in this report as needed.

Your flu shot is the first and most important step to fight the flu.To locate a vaccine near you, visit: VaccineFinder.org

Influenza or ILI Outbreaks
Reported as of Week 14, 2021

Counties with outbreak(s) reported in week 14: None Counties with 0 outbreaks this season: Alachua, Baker, Bradford, Brevard, Broward, Calhoun, Charlotte, Citrus, Clay, Collier, Columbia, DeSoto, Dixie, Duval, Escambia, Flagler, Franklin, Gadsden, Gilchrist, Glades, Gulf, Hamilton, Hardee, Hendry, Hernando, Highlands, Hillsborough, Indian River, Jackson, Jefferson, Lafayette, Lake, Lee, Leon, Levy, Liberty, Madison, Manatee, Marion, Martin, Miami-Dade, Monroe, Okaloosa, Okeechobee, Orange, Osceola, Palm Beach, Pasco, Polk, Putnam, Santa Rosa, Seminole, St. Lucie, Sumter, Suwannee, Taylor, Union, Volusia, Wakulla, Walton, Washington Counties with 1-2 outbreaks this season: Sarasota, St. Johns, Nassau, and Pinellas Counties with 3-4 outbreaks this season: None Counties with 5+ outbreaks this season: None

County Influenza Activity

No Activity: Baker, Bay, Brevard, Calhoun, Charlotte, Citrus, DeSoto, Dixie, Escambia, Franklin, Gadsden, Gilchrist, Glades, Gulf, Hamilton, Hardee, Hendry, Highlands, Holmes, Indian River, Jackson, Jefferson, Lafayette, Leon, Levy, Liberty, Madison, Manatee, Marion, Martin, Nassau, Okeechobee, Osceola, St. Johns, Sumter, Taylor, Wakulla, Walton, Washington Mild Activity:  Alachua, Bradford, Broward, Clay, Collier, Columbia, Dade, Duval, Hernando, Hillsborough, Lake, Lee, Monroe, Okaloosa, Orange, Palm Beach, Pasco, Pinellas, Polk, Putnam, Santa Rosa, Sarasota, Seminole, St. Lucie, Suwannee, Union, Volusia Moderate Activity: None Elevated Activity: None Unknown: Flagler Week 14, 2021 RSV Front Page Map Description

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