This is the CodeSystem that contains all the codes in COVID-19 Vaccine Codes for DIVOC (http://smart.who.int/ddcc/CodeSystem/DIVOCCodeSystem) and COVID-19 Vaccine Codes for DIVOC (http://smart.who.int/ddcc/CodeSystem/DIVOCCodeSystem). E.g. what you have to deal with if you get resources containing codes in either of them
Generated Narrative: CodeSystem 1e7a8d21-9552-4148-b711-5468b1b93e1f-23
This code system http://hl7.org/fhir/comparison/CodeSystem/1e7a8d21-9552-4148-b711-5468b1b93e1f-23 defines codes, but no codes are represented here