US Public Health Profiles Library, published by HL7 Public Health Work Group (http://www.hl7.org/Special/committees/pher/index.cfm). This is not an authorized publication; it is the continuous build for version 0.0.1). This version is based on the current content of https://github.com/HL7/fhir-us-phpl/ and changes regularly. See the Directory of published versions