Weekly Pediatric Influenza Vaccination Coverage Comparison in the United States

Weekly cumulative influenza vaccination coverage estimates for children aged 6 months through 17 years in the United States, comparing the current and previous flu seasons. The data is derived from the National Immunization Survey-Flu (NIS-Flu), a national random-digit-dialed cellular telephone survey conducted annually from October to June. Coverage estimates are based on parental reports.

Use Cases

• Analyze trends in weekly cumulative vaccination coverage to compare uptake between the current and previous flu seasons.
• Model the relationship between survey week and vaccination coverage rates for pediatric populations.
• Assess geographic or temporal patterns in vaccination coverage for children aged 6 months through 17 years.

Strengths

• Data is collected via a national random-digit-dialed cellular telephone survey, providing a standardized methodology.
• Provides weekly cumulative estimates, allowing for high temporal resolution in tracking vaccination campaigns.
• Focuses on a specific demographic group: children aged 6 months through 17 years.

Limitations

• Coverage estimates rely on parental report, which may be subject to recall or social desirability bias.
• The dataset's specific row count, column count, and sample size are unknown, limiting assessment of statistical power.
• Survey is conducted only during the flu season (October-June), leaving a data gap for other months.

Provenance

Source

United States Department of Health and Human Services, Centers for Disease Control and Prevention (CDC).

Collection Method

Data gathered from the National Immunization Survey-Flu (NIS-Flu), a national random-digit-dialed cellular telephone survey of households.

Time Range

Annual flu seasons, typically October through June.

Freshness

The dataset metadata was last updated in February 2026.

Geography

United States.