From the 1950s , china began to popularize the bovine vaccine and in the early 1960s , smallpox , an infectious disease seriously endangering children ' s health , was eliminated 中国自五十年代开始在全国普种痘苗，并在六十年代初成功地消灭了天花这一严重危害儿童健康的传染病。
“ the administration of smallpox accine to this serice member and his subsequent contact with his family are under inestigation by the us military , which will determine whether screening and education practices need to be modified , ” an accompanying editorial notes . “ health - care workers treating patients with e , generalized accinia infection , or progressie accinia infection should follow contact precautions until patients ' scabs hae separated “美国军方调查研究了对这个现役军人和他家族后来的接触者的牛痘苗的管理，以决定是否要筛查和修改训练实习方案， ”跟踪的社论报道， “健康护理工作者对待牛痘性湿疹、全身性种痘反应或进行性牛痘感染者应该随访给予接触警惕直到患者痂分离。
“ the administration of smallpox vaccine to this service member and his subsequent contact with his family are under investigation by the us military , which will determine whether screening and education practices need to be modified , ” an accompanying editorial notes . “ health - care workers treating patients with ev , generalized vaccinia infection , or progressive vaccinia infection should follow contact precautions until patients ' scabs have separated “美国军方调查研究了对这个现役军人和他家族后来的接触者的牛痘苗的管理，以决定是否要筛查和修改训练实习方案， ”跟踪的社论报道， “健康护理工作者对待牛痘性湿疹、全身性种痘反应或进行性牛痘感染者应该随访给予接触警惕直到患者痂分离。
