2-year-olds Who Were Immunized (2009–2023)

Definition

4:3:1:3::1 immunization coverage. Depending on the brand of vaccine used, a child would either get 3 doses of Hib plus a booster, or 2 doses of Hib plus a booster; at the state-level, the CDC no longer reports Hib simply as 3 or more
doses but instead specifies that the “full series” was received.

Data Source

Centers for Disease Control, National Immunization Survey: https://archive.cdc.gov/#/details?url=https://www.cdc.gov/vaccines/imz-managers/coverage/nis/child/index.html

Notes

A 95 percent confidence interval for each estimate can be found at 2-year-olds who were immunized.

Last Updated

2025-12