This is the ValueSet that contains all the codes in CH VACD Swissmedic Authorized Immunsera Codes (http://fhir.ch/ig/ch-term/ValueSet/ch-vacd-swissmedic-imunsera-vs) and CH VACD Swissmedic Authorized Immunsera Codes (http://fhir.ch/ig/ch-term/ValueSet/ch-vacd-swissmedic-imunsera-vs). E.g. what you have to deal with if you get resources containing codes in either of them