This is the ValueSet that contains codes in both IMMZD18STyphoidViPS ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD18STyphoidViPSVS) and IMMZD18STyphoidViPS ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD18STyphoidViPSVS).