For locations that submit immunization data from electronic health record systems
HL7 VXU Implementation Guide and Test Plan
HL7 Bidirectional Implementation Guide and Test Plan
- CAIR2 HL7 v2.5.1 Bi-Directional (QBP/RSP) Implementation Guide
- CAIR2 Bi-directional Data Exchange (BiDX) Test Plan
HL7 Acknowledgement Error Guide
For data exchange questions and support, please see CAIR Data Exchange or email CAIRDataExchange@cdph.ca.gov.