This is the ValueSet that contains codes in both IMMZD2DTTyphoidTy21a ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD2DTTyphoidTy21aVS) and IMMZD2DTTyphoidTy21a ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD2DTTyphoidTy21aVS).