来自《耶鲁大学开放课程：1600年后西方社会的流行病 第7集 第7集》

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  of the medical ethics of that particular experiment--
  复合人道伦常作何想法
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  in 1798 Edward Jenner wrote
  他在1798年写了
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  one of the most influential works in
  医学史上最有影响力的书籍之一
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  the history of medicine, inquiring into the causes and
  论述了牛痘的
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  effects of the Variola vaccinae.
  病理和后果
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  His genius was not just to devise the experiment;
  他的过人之处不在于设计实验
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  that was scientifically flawed, perhaps, in the sense that he
  从科学性上讲 那实验多有纰漏
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  extrapolated from a very small database.
  因为他直接从一个很小的样本推广到大众
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  But in any case, the point is that he recognized
  但重要的是 他明白了
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  the significance of what he'd discovered.
  自己的发现的意义何在
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  He thought that he saw immediately the possibility of
  他觉得他马上就看见了在这个星球上
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  eradicating smallpox from the planet,
  根除天花的可能性