这封信件在十天以前神奇般的被寄到了加利福尼亚大学的宾夕法尼亚州分校，这所大学位于宾州的东北部。
The letter mysteriously arrived at the California University of Pennsylvania, in the north-eastern state of Pennsylvania, 10 days ago.
这封信件在十天以前神奇般的被寄到了加利福尼亚大学的宾夕法尼亚州分校，这所大学位于宾州的东北部。
Thee letter mysteriously arrived at the California University of Pennsylvania, in the north-eastern state of Pennsylvania, 10 days ago.
但这302人绝不是五天发生的病人，而可能是十天以前、二十天以前，已经发病住在某一个医院但没有发现的病人。
But it doesn't mean the 302 people were infected within the last five days. It could have been ten or twenty days ago and they could be unregistered patients in some hospitals.
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