This is the ValueSet that contains codes in both IMMZD18SMeaslesOngoingTransmission ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD18SMeaslesOngoingTransmissionVS) and IMMZD18SMeaslesOngoingTransmission ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD18SMeaslesOngoingTransmissionVS).