This is the ValueSet that contains codes in both IMMZD18SVaricella2Doses ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD18SVaricella2DosesVS) and IMMZD18SVaricella2Doses ValueSet for Decision Table (http://smart.who.int/immunizations/ValueSet/IMMZD18SVaricella2DosesVS).