IIS Policies: Indiana

What to know

Immunization information systems (IIS) are confidential, population-based, computerized databases that record all immunization doses administered by participating providers to persons residing within a given geopolitical area. This information details how to access immunization records for vaccine recipients who received a vaccine in Indiana.

General Information

Indiana's IIS is the Children and Hoosier Immunization Registry Program (CHIRP), and it includes immunization records for vaccine recipients of all ages. Visit this webpage to learn more about the IIS.

The jurisdiction is authorized by law to operate CHIRP. For more information, please see Indiana Code § 16-38-5-1.

Child Consent to Participate

For children, CHIRP requires implicit consent with opt-out by law. Children are included in the IIS unless their parent(s)/guardian(s) choose to opt them out.

Resource‎

For more information, please see Indiana Code § 16-38-5-2(c).

Adult Consent to Participate

For adults, CHIRP requires implicit consent with opt-out by law. Adults are included in the IIS unless they choose to opt out.

Resource‎

For more information, please see Indiana Code § 16-38-5-2(c).

Provider Reporting

Indiana does have a mandate for vaccination providers to report immunizations to CHIRP. The reporting mandate:

  • Applies only to a subset of vaccine recipients and
  • Applies only to certain providers.

Resource‎

For more information, please see Indiana Code § 16-38-5-2(b) and § 25-26-13-32.2(e).

Data Sharing

Indiana does have a policy that regulates sharing data from CHIRP with other public health entities. The data sharing policy:

  • Allows data to be shared upon request or with approval/authorization.

Resource‎

For more information, please see Indiana Code § 16-38-5-3.