1999年 5月 7日至 6月 2 3日 ,河南省正阳县皮店乡中学及中心小学接连发生伤寒暴发 ,共发病 1 40例 ,无死亡。接到疫情报告后 ,及时进行了调查处理 ,现报告如下。采用对病人进行个案调查 ,填写《伤寒病人个案调查表》 ,采病人及可疑人群静脉血、大便、大口井水、食堂水化验。皮 From May 7 to June 23, 1999, an outbreak of typhus was reported to occur successively in Pi Dianxiang Middle School and Central Primary School in Zhengyang County, Henan Province. A total of 140 cases were reported with no deaths. After receiving the epidemic report, conducted a timely manner investigation and treatment, are as follows. Case-by-case investigation of patients, fill out the “typhoid case questionnaire”, mining patients and suspicious persons venous blood, stool, large well water, canteen water test. skin