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Influenza

Florida Health

Disease Control

乐动体育登录Florida FLU REVIEW

Season: 2019-20 Week 1: 12/29/19-1/4/2020

 Geographic Spread:
Widespread

 Predominate Strain:
B Victoria lineage

 ILI Activity Trend:
Decreasing

Week 1 influenza & influenza-like illness (ILI) activity summary:

Activity decreased but remained above levels observed at this time in previous seasons, and above peak activity levels observed during the 2016-17 and 2018-19 seasons.

Activity remained above levels observed during the 2017-18 season at this time, one of the largest seasons on record.

Four outbreaks were reported, up slightly from three outbreaks in the previous week. Of the four outbreaks reported, two were influenza-associated and two were ILI.

One new influenza-associated pediatric deaths was reported in an unvaccinated child.乐动体育登录 A total of four influenza-associated pediatric deaths have been reported so far this season, all in unvaccinated children. Parents who have not yet vaccinated their children for the 2019-20 season should do so as soon as possible. For more information on these deaths, see page 10.

Get your flu shot now; it’s not too late!乐动体育登录 Flu shots can take up to two weeks to become fully effective, so it’s important to get vaccinated as soon as possible to reduce your chances of getting the flu this season.

Annual vaccination is the best way to protect yourself and those you love from influenza and its potentially severe complications, and it 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.

Influenza A 2009 (H1N1) activity increased notably in recent weeks, and may overtake influenza B Victoria lineage as the most common subtype in Florida in the coming weeks. Influenza A 2009 (H1N1) and influenza B Victoria lineage strains are included in the 2019-20 quadrivalent and trivalent vaccine options.

The Centers for Disease Control and Prevention recommends antiviral treatment be initiated as soon as possible for people with confirmed or suspected influenza who are at higher risk for complications. Treatment should be administered within 48 hours of illness onset. For more information, contact your health care provider.

乐动体育登录Your flu shot is the first and most important step to fight the flu.To locate a vaccine near you, visit:

Influenza or ILI Outbreaks
Reported as of 1/4/20

A map showing Counties with outbreak(s) reported in week 1: DeSoto, Lafayette, Martin, Nassau. Counties with 0 outbreaks this season: Alachua, Baker, Bay, Bradford, Calhoun, Citrus, Clay, Columbia, Dixie, Duval, Franklin, Gadsden, Gilchrist, Glades, Gulf, Hamilton, Hardee, Hernando, Highlands, Indian River, Jefferson, Leon, Levy, Liberty, Monroe, Okeechobee, Osceola, Sarasota, Sumter, Suwannee, Taylor, Union, Walton, Washington. Counties with 1-2 outbreaks this season: Lafayette, Brevard, Flagler, Hendry, Holmes, Jackson, Lee, Manatee, Marion, Okaloosa, Polk, Volusia, DeSoto, Nassau, Madison, Santa Rosa, St. Johns, St. Lucie, Wakulla. Counties with 3-4 outbreaks this season: Martin, Broward, Orange, Palm Beach, Pasco, Seminole. Counties with 5+ outbreaks this season: Putnam, Escambia, Lake, Collier, Pinellas, Hillsborough, Miami-Dade.

County Influenza Activity

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

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