一起甲型肝炎爆发疫情调查与控制分析

目的探讨甲型肝炎爆发的原因,分析甲型肝炎爆发的控制措施。方法通过规范流行病学调查,对实验室检测和流行病学资料进行分析。结果2006年11月23日至12月18日某镇中学发生的甲肝病例69例,罹患率为4.80%;爆发的原因是学校饮用水受粪便污染、食堂卫生条件差、学生不良卫生习惯以及疫情报告不及时。采取控制传染源、环境消毒、预防接种以及宣传教育等综合措施,疫情得到控制。结论此次甲肝爆发是由饮用水污染所致。今后农村寄宿学校应加强生活饮用水的安全,防止粪便污染。

Analysis on the Investigation and Control of a Hepatitis A Outbreak

Objective This study was conducted to get a insight into the cause of the outbreak and evaluate the measures for the control of the outbreak of the hepatitis A. Methods Through particular and standard field epidemiological investigation, laboratory test data, epidemicological information of the cases were analyzed.Results There're 69 hepatitis A cases from Nov. 23, 2006 to Dec. 18, 2006. The attack rate is 4.80%. The hepatitis A outbreaks were caused by drinking water contamination, bad sanitation of the eatery,students have bad sanitation custom and reporting without in time. The epidemics were controlled through comprehensive preventive and therapeutic measures such as the control of the contamination sources, disinfection drinking water sources, vaccinating and promotion and education. Conclusion The outbreak of hepatitis A was caused by drinking water contamination. The drinking water in boarding school of rural should be protected against fecal contamination.