Catalog

This on-demand course provides an in-depth review of HL7 v2.5.1 unsolicited vaccination record update (aka VXU) messages and how they are used to exchange immunization information between immunization information systems (IIS) and other health information systems.

Surveillance modernization efforts emphasize the potential use of electronic health record (EHR) data to inform public health surveillance and prevention. However, EHR data streams vary widely in their completeness, accuracy, and representativeness. This publication describes a validation process developed by the Multi-State EHR-Based Network for Disease Surveillance (MENDS) pilot project to identify and resolve data quality issues that could affect chronic disease prevalence estimates.