Weekly Cumulative Influenza Vaccine Doses Distributed by Flu Season

Weekly cumulative doses of influenza vaccine distributed in the United States, measured in millions. The data is produced by the United States Department of Health and Human Services, Centers for Disease Control and Prevention, with the most recent update in February 2026. It tracks vaccine supply projections, such as the 173.5 to 183.5 million doses projected for the 2022-2023 season.

Use Cases

• Analyze the weekly cumulative doses trend by flu season to assess vaccine supply ramp-up and distribution efficiency.
• Compare projected vaccine supply figures, like the 173.5-183.5 million doses for 2022-2023, against actual cumulative distribution data.
• Model the relationship between flu season timing and the cumulative vaccine doses distributed each week.
• Track the geographic coverage of vaccine distribution across the United States over multiple flu seasons.

Strengths

• Data is sourced from the authoritative United States Centers for Disease Control and Prevention.
• Includes specific supply projections, such as 173.5 to 183.5 million doses for the 2022-2023 flu season.
• Updated recently, with a recorded update in February 2026.

Limitations

• The exact number of data rows, columns, and file size are unknown, limiting assessment of dataset scale and granularity.
• Data may be incomplete or subject to revision as it relies on projections and reports from private vaccine manufacturers.
• The temporal coverage of specific flu seasons within the dataset is not explicitly stated.

Provenance

Source

United States Department of Health and Human Services. Centers for Disease Control and Prevention

Collection Method

Data compiled from vaccine manufacturers' supply projections and distribution reports.

Time Range

Covers multiple flu seasons, including the 2022-2023 season.

Freshness

Updated as of February 2026.

Geography

United States