### Question
How is the term immunization services defined?


### Answer
The term **immunization services** is defined in *25 U.S.C. § 1653* as the following:

> services to provide without charge immunizations against vaccine-preventable diseases

#### Citation:
  - *25 U.S.C. § 1653*
  - Heading: **CHAPTER 18-INDIAN HEALTH CARE > SUBCHAPTER IV-HEALTH SERVICES FOR URBAN INDIANS**

