This is the ValueSet that contains all the codes in IMMZ.D.DE1 ValueSet for Immunization event status (http://smart.who.int/immunizations/ValueSet/IMMZ.D.DE1) and IMMZ.D.DE1 ValueSet for Immunization event status (http://smart.who.int/immunizations/ValueSet/IMMZ.D.DE1). E.g. what you have to deal with if you get resources containing codes in either of them