On Sept. 29, 2023, the U.S. Centers for Disease Control and Prevention (CDC) reported that during the 2022-2023 flu season, 49% of the overall U.S. population 6 months and older received a flu vaccine. This was a decrease of 2 percentage points over the previous season.

CDC preliminary estimates were that during the 2022-2023 flu season, 31 million people got sick with flu, 14 million people visited a health care provider with flu, 360,000 people were hospitalized with flu, and 21,000 people died due to flu illness or related complications.