This is the ValueSet that contains codes in both IMMZD2DTYellowfeverYellowFever ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD2DTYellowfeverYellowFeverVS) and IMMZD2DTYellowfeverYellowFever ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD2DTYellowfeverYellowFeverVS).