开平市某小学群体性发热的调查处理

Investigation and Control Measures of the Fever-Cases of Students in A Primary School in Kaiping City

目的2003年5月SARS流行期间,开平市一镇某小学出现学生群体性发热病例,为摸清发病原因,迅速排查SARS,控制疫情及评价防治措施效果,我们对该校进行详细流行病学调查处理。方法在调查之日前2周以内发热的学生作流行病学个案调查,并采集发热学生咽漱液。对发热学生进行隔离治疗,并对学校课室、教师办公室、饭堂与发热学生家居等场所及其环境进行消毒、清洁,对其他师生进行预防性服药等处理措施。结果全校2周内(5月20日～6月2日)有61名学生发热,罹患率15.64%,患者分布在六个年级9个班,其中六、五年级人数最多,占50.82%。4份发热学生的咽漱液中分离出甲3流感病毒。结论这是一起甲3型的流感暴发流行,所采取的防治措施效果显著。

Objectives During the pandemic period of SARS in May 2003, a large group of students had fever in a primary school in Kaiping .We aimed to investigate the situation and quickly eliminate the possibility of SARS, and to evaluate the control measures. Methods Individual investigation of the students who got fever in two week was conducted. Saliva specimens were collected for diagnosis. A more comprehensive control measure was used for the situation. Results There were 61 students got fever in two weeks （May 20 to June 2）, with an incident rate of 15.64%. The affected students were distributed in 9 classes in 6 grades. 4 saliva specimens were tested for influenza viruses, of which 3 were positive for H^I~_. There were no fever-cases after May 31. Conelus｜ons This was a local outbreak of the H3N2 influenza, but not SARS. A more comprehensive control measure was effective for prevent and control the fevereases.