vacciniaWiktionary 原文词源说明From Latin vaccinus + -ia.释义（英文）名词 Noun(medicine) An infection of cowpox.(by extension) A virus which causes this infection (Orthpoxvirus vaccinia).A closely related poxvirus, used as a smallpox vaccine.词族派生词（4）paravacciniavaccinialvacciniformvaccinoid相关词（2）vaccinevaccination