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目的总结分析甲肝疫情聚集性发生原因,探讨在校内发生甲肝聚集疫情后,如何采取有针对性的控制措施迅速扑灭疫情,减少社会影响,为科学地开展甲肝防制工作提供依据。方法应用现场流行病学方法进行调查分析。结果本次疫情共报告13例,病例组与对照组学生喝生水存在统计学意义,P=0.009。结论此次疫情主要是由水污染和密切接触引起,通过对流行因素的分析,采取有针对性的防制措施,甲肝疫情得到了有效控制。
Objective To summarize and analyze the causes of hepatitis A epidemic aggregation and to explore how to take targeted control measures to exterminate the outbreak rapidly and reduce the social impact after the outbreak of hepatitis A in school, so as to provide basis for scientifically carrying out prevention and control of hepatitis A virus. Methods Field epidemiological methods were used for investigation and analysis. Results A total of 13 cases were reported in this epidemic. There was a statistically significant difference between students in the case and control groups (P = 0.009). Conclusion The epidemic was mainly caused by water pollution and close contact. Through the analysis of epidemic factors, targeted prevention and control measures were taken and the outbreak of hepatitis A was effectively controlled.