Influenza Vaccine Doses Distributed, United States

    • Flu vaccine is produced by private manufacturers. For the 2021-2022 season, manufacturers have projected they will provide as many as 188 to 200 million doses of influenza vaccine for the U.S. market.
    • Additional information is available.
    • Figure 1. Weekly Cumulative Doses (in Millions) of Influenza Vaccines Distributed* by Season, United States, Data Source: CDC, Data are current through week ending February 25, 2022.

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* Due to missing data, data for the following weeks have been imputed using a linear interpolation imputation approach: 2016-2017: Dec week 3; 2017-2018: Sep week 4, Nov week 3, Dec week 3; 2018-2019: Sep week 4, Nov week 3, Dec week 3, Dec week 4; 2019-2020: Sep week 4, Nov week 4, Dec week 4.