This is the ValueSet that contains all the codes in BR Imunobiologico (https://terminologia.saude.gov.br/fhir/ValueSet/BRImunobiologico) and BR Imunobiologico (https://terminologia.saude.gov.br/fhir/ValueSet/BRImunobiologico). E.g. what you have to deal with if you get resources containing codes in either of them