Immunization Milestones: A More Comprehensive Picture of Age-Appropriate Vaccination

Table 2

Immunization Status Categorization.

	At prior milestone
At current milestone	UTD	Non-UTD
Up to date (UTD)	Remain UTD	Catch Up
Non-UTD	Fall Behind	Stay Non-UTD

UTD is up to date status for ACIP recommended immunizations in the DTaP, HepB, Hib, Polio, and Varicella series.