天花是由天花病毒引起的传染病。在天花存在的几千年里，它的传染性之强、肆虐范围之广、死亡率之高，可谓使人“闻之丧胆”，三十年前，世界卫生组织宣布天花在地球上绝迹-人类彻底消灭了天花。这一伟大功业靠的是世界卫生组织和各国的共同努力，但最大的功臣乃是“天花疫苗”的一位发明者英国的外科医生詹纳。
天花疫苗
双语例句原声例句
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这两份报告包括了一份详尽的，主要以美国的历史资料和近期经验为依据的有关天花疫苗安全性的综述。
The reports included a detailed review of the safety of smallpox vaccine based on historical data as well as recent experience, particularly in the United States.
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研究人员将10名天花疫苗接种者的免疫细胞以及另外10名未接种者的体细胞暴露在艾滋病病毒环境中。
In this small study, the researchers exposed immune cells from 10 smallpox-vaccinated people to HIV. Cells from 10 people never vaccinated against smallpox were also exposed.
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天花疫苗接种者中一致报告的不良反应包括心肌心包炎和扩张性心肌病，每种不良反应的发生频率都超过了偶发事件的水平。
Consistent adverse effects reported in smallpox vaccinees have been myopericarditis and dilated cardiomyopathy; the frequency of each adverse effect exceeds what might have occurred by coincidence.
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There's no company that's making smallpox vaccine anymore because there's no reason to make smallpox vaccine, because nobody would buy it, right?
没有公司还生产天花疫苗,因为没有人购买天花疫苗,因此早就没有理由继续生产它了,对吧
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And so even people that got vaccinated, most of us either have questionable or no protection against the virus at this point.
所以就算那些接种过天花疫苗的人,到那时候也不一定,或者压根无法抵御病毒
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We've talked about getting lucky, finding a naturally occurring attenuated live vaccine as in the case of smallpox.
我们谈到过,在天花病案中,我们发现自然弱化的活性疫苗,是多么的幸运
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