来自《耶鲁大学开放课程：1600年后西方社会的流行病 第10集 第10集》

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  that nineteenth-century physicians called the reaction stage,
  十九世纪的医师称之为反应期
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  that might last four or five days.
  反应器可能会持续四到五天
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  The prognosis isn't really better, but the symptoms are.
  预后不会好 但症状会好很多
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  At this time the cold body becomes warmer.
  在这个阶段 冰冷的身体会变得暖一些
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  There's a fever usually.
  通常会出现发烧的情况
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  The patient suffers terrible headache and is often delirious.
  病患出现严重头痛及精神混乱
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  The problem is that there were terrible complications
  问题的关键在于 在反应期
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  that overtook patients in the reaction stage.
  病人会出现严重的并发症
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  Pneumonia was a frequent complication.
  肺炎便是一种常见的并发症
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  So was kidney failure, uremia, gangrene of the extremities;
  除外还有肾衰竭 尿毒症 手足坏疽
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  the ears, the nose, fingers, toes, the penis.
  发生在耳鼻部 手足趾以及生殖器处
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  And there was a case fatality rate then,
  在十九世纪