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Influenza

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View the 2018 Week 41 Flu Review

Influenza & influenza-like illness (ILI) activity summary:

In week 41, influenza activity remained at low levels across the state. Influenza activity is expected to increase in the coming weeks as we head into the fall and winter months.

Two new outbreaks were reported in week 41: one outbreak of influenza A unspecified in a school/camp and one outbreak of respiratory syncytial virus in a child daycare. For more information, see page 5.

The majority of counties reported no or mild activity in week 41.

No new influenza-associated pediatric deaths were reported in week 41. One influenza-associated pediatric death has been reported in Florida so far during the 2018-19 influenza season. For more information, see page 10.

Influenza seasons vary in timing, severity, and length. It is not possible to predict what the 2018-19 influenza season will be like in Florida.

Annual vaccination is the best way to protect yourself and your loved ones from influenza and its potentially severe complications. Now is the perfect time to get vaccinated.

Since July, the most common influenza subtype detected at the Bureau of Public Health Laboratories has been influenza A 2009 (H1N1), however influenza A (H3) and influenza B Yamagata lineage viruses have also been detected in recent weeks. It is still too early to say if influenza A 2009 (H1N1) viruses will predominate throughout the season.

Influenza vaccines protect against the three or four strains research suggests will be most common. It is expected that influenza A 2009 (H1N1), influenza A (H3), and influenza B viruses will co-circulate throughout the season. Influenza vaccines are designed to protect against all of these viruses.

The Centers for Disease Control and prevention recommends antiviral treatment be initiated as soon as possible for persons with suspected or confirmed influenza who are at higher risk for complications: children <2 years, adults ≥65 years, pregnant women, and those with underlying medical conditions. Treatment should be administered within 48 hours of illness onset. For more information about antiviral treatment options, contact your health care provider.

Influenza and ILI Outbreaks
Reported as of 10/6/2018

Counties with outbreak(s) in week 40: Hillsborough Counties with 0 outbreaks: Alachua, Baker, Bay, Bradford, Brevard, Broward, Calhoun, Charlotte, Citrus, Clay, Collier, Columbia, DeSoto, Dixie, Duval, Escambia, Flagler, Franklin, Gadsden, Gilchrist, Glades, Gulf, Hamilton, Hardee, Hendry, Hernando, Highlands, Holmes, Indian River, Jackson, Jefferson, Lafayette, Lake, Lee, Leon, Levy, Liberty, Madison, Manatee, Marion, Martin, Miami-Dade, Monroe, Nassau, Okaloosa, Okeechobee, Orange, Osceola, Palm Beach, Pasco, Pinellas, Polk, Putnam, St. Johns, St. Lucie, Santa Rosa, Sarasota, Seminole, Sumter, Suwannee, Taylor, Union, Volusia, Wakulla, Walton, Washington Counties with 1-2 outbreaks: Hillsborough Counties with 3-4 outbreaks: None Counties with 5+ outbreaks: None

County Influenza Activity

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

Flu Shot Locator

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Your flu shot is the first and most important step to fight the flu. To locate a vaccine near you, visit: www.floridahealth.gov/findaflushot

 

Influenza, or flu, is a respiratory infection caused by a variety of flu viruses. The "flu" is a common catch-all term used for a variety of illnesses, but it correctly applies only to the upper respiratory disease caused by the influenza virus. To locate a flu shot near you, contact your physician, your local county health department, or use the Florida Department of Health's flu shot locator.

Estimates are that between 15% and 40% of the population will develop illness from influenza every year. An average of about 36,000 people per year in the United States die from influenza, and 114,000 per year have to be admitted to the hospital as a result of influenza infection. Anyone can get the flu (even healthy people), and serious problems from influenza can happen at any age. People age 65 years and older, people of any age with chronic medical conditions, and very young children are more likely to get complications from influenza.

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