According to the CDC:
Estimated Influenza Disease Burden, by Season — United States, 2010-11 through 2018-19 Influenza Seasons
https://www.cdc.gov/flu/about/burden/past-seasons.html
2019-2020 U.S. Flu Season: Preliminary Burden Estimates(Updated Weekly)
CDC estimates* that, from October 1, 2019, through April 4, 2020, there have been:
39,000,000 – 56,000,000 flu illnesses
18,000,000 – 26,000,000 flu medical visits
410,000 – 740,000 flu hospitalizations
24,000 – 62,000 flu deaths
https://www.cdc.gov/flu/about/burden/preliminary-in-season-estimates.htm