One day a girl came to see him who had a cowpox sore on her hand.
一天一个女孩儿来看他，女孩儿手上有个牛痘疮。
Unlike Jenner's later vaccination, which used cowpox, variolation used a small measure of smallpox itself.
接种人痘，是直接使用小量的天花，和金纳后来用牛痘接种不同。
The vaccinated person developed antibodies which protected both against the cowpox infection and against the closely related virus that caused smallpox.
人在接过种后产生的抗体可以同时对牛痘病毒感染及其密切相关的天花病毒感染起到保护作用。
Variola virus belongs to the genus of orthopoxvirus, and there are some other infectious members, such as Vaccinia virus, cowpox virus, and monkeypox virus.
在正痘病毒属还有另外几种病毒对人具有一定的感染性，如痘苗病毒、牛痘病毒和猴痘病毒。
Variola virus belongs to the genus of orthopoxvirus, and there are some other infectious members, such as Vaccinia virus, cowpox virus, and monkeypox virus.
在正痘病毒属还有另外几种病毒对人具有一定的感染性，如痘苗病毒、牛痘病毒和猴痘病毒。
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