Incidence of Influenza-Related Medical Encounters and the Associated Healthcare Resource Use and Complications Across Adult Age Groups in The United States During the 2015-2020 Influenza Seasons.

Incidence of influenza-related hospitalizations begins to increase around age 50 rather than the more common cut-point of 65, whereas incidence of outpatient visits was highest among younger adults. Influenza infections frequently led to antiviral and antibiotic prescriptions, underscoring the role influenza vaccination can play in combating antimicrobial resistance.