This is the ValueSet that contains all the codes in IMMZD2DTDTPPregnancy ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD2DTDTPPregnancyVS) and IMMZD2DTDTPPregnancy ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD2DTDTPPregnancyVS). E.g. what you have to deal with if you get resources containing codes in either of them