On December 7, 2022, HLN released a new version (v1.37.1) of the Immunization Calculation Engine (ICE) in support of significant updates to the COVID-19 vaccine group to align ICE with the latest immunization recommendations. Version 1.37.1 also includes updates to the Hepatitis B, Orthopoxviru...

On August 31, 2022, HLN released a new version (v1.36.1) of the Immunization Calculation Engine (ICE) in support of updates to the COVID-19 vaccine. ICE is a state-of-the-art open source software system that provides clinical decision support for immunizations for use in Immunization Information S...