Earlier Seasons
- Recent Influenza Vaccination Trends across Influenza Seasons
- Influenza Vaccination Coverage among Children Aged 6-23 Months — United States, 2008–09 Influenza Season (NIS)
- Influenza Vaccination Coverage Trends 1989 – 2008 (NHIS) [PDF – 109 KB]
(Note these are estimates of influenza vaccination in the past 12 months based on calendar year NHIS data collection, and are not estimates for a particular influenza season)