This is the ValueSet that contains all the codes in PHVS_VaccinesAdministeredCVX_CDC_NIP (http://terminology.hl7.org/ValueSet/v2-0292) and PHVS_VaccinesAdministeredCVX_CDC_NIP (http://terminology.hl7.org/ValueSet/v2-0292). E.g. what you have to deal with if you get resources containing codes in either of them