患儿 ,男 ,13岁 ,汉族。主因间断发热伴头痛20余天 ,加重1d于2002年8月15日入院。患儿于入院前20d无明显诱因出现发热 ,体温波动在37～38℃之间 ,无明显规律 ,全身中毒症状不明显 ,无咳嗽及盗汗。同时伴有头痛 ,发热时加重 ,但能忍受。患儿病后在当地医院治疗 ,给予“速效感冒 Children, male, 13 years old, Han nationality. The main cause of intermittent fever with headache more than 20 days, increased 1d in 2002 August 15 admission. Children 20d before admission there was no obvious incentive to fever, body temperature fluctuations between 37 ~ 38 ℃, no obvious regularity, systemic symptoms were not obvious, no cough and night sweats. Accompanied by headache, increased fever, but can endure. Children in the local hospital after treatment, given "quick cold