天花(Smallpox)是由天花病毒引起的一种烈性传染病,也是在世界范围内被人类消灭的一种传染病。感染天花病毒后的潜伏期平均约为12天(7-17天)。感染后的初期症状包括:高烧、疲累、头疼、心跳加速及背痛。2-3天后,会有典型的天花红疹明显地分布在脸部、手臂和腿部。在发疹的初期,还会有淡红色的块状面积伴随疹子而出现。病灶在几天之后开始化脓,直到第2个星期开始结痂。接下来的3-4周慢慢发展成疥癣,然后慢慢剥落。天花是感染痘病毒引起的,患者在痊愈后脸上会留有麻子,“天花”由此得名。
【关键词】痘苗病毒;噬斑血吸附法;病毒滴定;方法学验证 天花病毒(variola virus)是痘病毒科正痘属成员,为双链DNA病毒,呈直径200hm的砖型结构。
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Nowadays, most of the countries in the world are in danger of the threat of biowarfare including variola virus. It is important to study the methods of anti-smallpox in need of sanitary and antiepidemic or anti-bioterrorism.
当前,全球范围都面临着包括天花病毒在内的生物武器袭击的威胁。
参考来源 - 抗天花病毒药物筛选模型的建立及药效评价·2,447,543篇论文数据,部分数据来源于NoteExpress
重申应当销毁剩余的天花病毒储存。
Reaffirmed that the remaining stock of smallpox virus should be destroyed.
专家们正热议是否摧毁世上仅存的天花病毒。
科学委员会内部也对是否摧毁天花病毒样本存在分歧。
The scientific community remains divided over whether the smallpox samples should be destroyed.
We know now that it's caused by a related virus, called vaccinia, remember the virus that causes smallpox is called variola.
我们现在知道这病由一种相关的病毒引起,这种病毒叫牛痘病毒,想想天花病毒也被叫做牛痘病毒
So, that was a naturally occurring attenuated virus that could be produced into a vaccine that didn't cause the disease.
因为天花病毒存在天然的衰减病毒,这种衰减病毒可以用来,直接生产不致病的疫苗
That's important, too, because you need to be able to tell if the virus is present in the human population.
这一点也非常重要,因为你要能够分辨出,人群中是否有人感染了天花病毒
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