Historical Reference of Seasonal Influenza Vaccine Doses Distributed

Flu vaccine is produced by private manufacturers, so supply depends on manufacturers.  Below is information on the historical supply and distribution of seasonal influenza vaccines in the United States.

Comparison of Total Doses Distributed Over Last 10 Years

*Footnote: In order to improve data reporting for flu vaccine distribution, changes were made to the reporting intervals for the current season. This required the totals for the last four seasons worth of historical data to be adjusted for comparability. The original (unadjusted) totals for these four seasons can be found here.

Comparison of Total Doses Distributed Since 1980

*Footnote: In order to improve data reporting for flu vaccine distribution, changes were made to the reporting intervals for the current season. This required the totals for the last four seasons worth of historical data to be adjusted for comparability. The original (unadjusted) totals for these four seasons can be found here.