Fever of unknown origin

（重定向自PUO）

Fever of unknown origin (FUO), pyrexia of unknown origin (PUO) or febris e causa ignota (febris E.C.I.) refers to a condition in which the patient has an elevated temperature (fever) but despite investigations by a physician no explanation has been found.

单词	PUO
释义	PUO 英语百科 Fever of unknown origin （重定向自PUO） Fever of unknown origin (FUO), pyrexia of unknown origin (PUO) or febris e causa ignota (febris E.C.I.) refers to a condition in which the patient has an elevated temperature (fever) but despite investigations by a physician no explanation has been found.
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