vac·cin·ia /vækˈsɪniə/
牛痘
vac·cin·ia /vækˈsɪnɪə/ 名詞
牛痘苗
Vac·cin·i·a n. Med. Cowpox; vaccina. See Cowpox.
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vaccinia
n 1: a local infection induced in humans by innoculation with the
virus causing cowpox in order to confer resistance to
smallpox; normally lasts three weeks and leaves a pitted
scar [syn: vaccina, variola vaccine, variola
vaccinia, variola vaccina]
2: a viral disease of cattle causing a mild skin disease
affecting the udder; formerly used to inoculate humans
against smallpox [syn: cowpox]