Flu vaccination coverage in 2021-2022 was 51.4%, down 0.7 percentage points compared to the prior flu season. Coverage declined again in the most recent flu season, to 57.8% for children ages 6 months to 17 years. For adults, the flu vaccination rate went down to 49.4%. Minority adult populations have lower vaccination rates. Prepared by the CDC Centers for Disease Control, October 18, 2022.