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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  unintentionally, that those who contracted the
  虽然不是有意 但是那些接芽得病的人
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  disease would then spread it to others around them.
  还是有可能把病传染给周围的人
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  And to prevent that, smallpox inoculation
  为了抑制这种情况发生 人们建立了
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  hospitals-- such as one in London,
  天花医院 比如伦敦1746年
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  that opened in 1746-- were set up to care for the
  就开了一个 已接受接芽的病人
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  patients who'd been inoculated, and to quarantine them,
  在那里接受看护和隔离
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  so that they were no longer a risk to others.
  从而不会对他人产生威胁
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  But nevertheless, there was a spirited debate
  不管怎么说 关于在某种平衡上
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  over the whole issue of whether,
  接芽技术是否救人多过害人
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  on balance, inoculation saved
  还是有不小的
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  many more lives than it killed.
  精神争议
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  Well, that brings us to this figure,
  下面我们就来看看这个形象