MMWR: 2017-18 Flu Season Activity Update

Jun 12, 2018 | Kim Rodgers

The 2017-18 flu season was high in its severity for all age groups, underscoring the importance of flu vaccination. The United States 2017–18 influenza season (October 1, 2017–May 19, 2018) was a high severity season with high levels of outpatient clinic and emergency department visits for influenza-like illness (ILI), high influenza-related hospitalization rates, and elevated and geographically widespread influenza activity across the country for an extended period. Nationally, ILI activity began increasing in November, reaching an extended period of high activity during January–February, and remaining elevated through March. Influenza A(H3N2) viruses predominated through February and were predominant overall for the season; influenza B viruses predominated from March onward. This report summarizes U.S. influenza activity* during October 1, 2017–May 19, 2018.Flu vaccination is the best way to prevent flu illness and its associated complications, but can vary in how well it works, especially in children.

Read this new Morbidity and Mortality Weekly Report to learn more.


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About Kim Rodgers

Kim Rodgers is the Communications Manager at NACCHO.

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