This is the ValueSet that contains all the codes in Vaccine Types for use in the ICVP (http://smart.who.int/icvp/ValueSet/ICVPVaccineType) and Vaccine Types for use in the ICVP (http://smart.who.int/icvp/ValueSet/ICVPVaccineType). E.g. what you have to deal with if you get resources containing codes in either of them