A 28‐year‐old married female was admitted to the hospital on May 3,2001,because of a 6‐day fever and cough .因发热、咳嗽6天,于2001年5月3日入院。6天前开始发热、咳嗽、吐粘液痰,至今未治疗。近3天,持续高烧,咳嗽加剧,吐铁锈色痰,胸痛,随呼吸加剧。患病期,乏力,食欲差,大、小便正常。体检:体温39℃,脉搏107次/min,呼吸26次/min,血压110/70mmHg(15/9kPa)。血常规: ......