Immunization

---

Name	Type	Description	Expression	Expectations
date	date	예방 접종 일시	Immunization.occurrence	SHOULD
patient	reference	예방 접종 대상	Immunization.patient	SHALL
status	token	예방 접종 상태	Immunization.status	MAY
vaccine-code	token	예방접종 식별 코드	Immunization.vaccineCode	SHALL