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目的分析某部军营乙型流感暴发疫情的流行病学特征及有效防控措施,为今后部队预防乙型流感疫情暴发提供科学依据。方法采用流行病学调查方法,结合乙型流感临床特征和病原学实验室检测,对该军营暴发的乙型流感疫情进行调查处理。结果本次疫情暴发于2016年2月14—18日,一个独立军营内,共发生病例28人,平均罹患率43.1%,均为战士,以发热、咳嗽、乏力为主要临床表现,病程3~6 d。19名发热患者咽拭子采样检测,17份标本呈乙型流感病毒阳性,阳性率为89.5%。统计分析军营人群患病分布无显著性差异。结论该军营此次群体发病为一典型的乙型流感暴发疫情,目前流感已经成为军队平时、战时非战斗减员的主要原因之一,应引起各级高度重视。
Objective To analyze the epidemiological characteristics of influenza B outbreak in a military barracks and the effective prevention and control measures so as to provide a scientific basis for preventing the outbreak of influenza B in future troops. Methods Epidemiological survey method was used to investigate the outbreak of influenza B in the barracks in combination with the clinical features and pathogenic laboratory tests. Results The outbreak of the outbreak was in an independent barracks from February 14 to February 18, 2016. A total of 28 cases were reported with an average attack rate of 43.1%. All of them were fighters. The main clinical manifestations were fever, cough, fatigue, 6 d. Throat swab samples were detected in 19 patients with fever, 17 samples were positive for influenza B virus, the positive rate was 89.5%. Statistical Analysis There was no significant difference in the prevalence among the barracks. Conclusion The outbreak of this group of barracks is a typical outbreak of type B influenza. At present, the flu has become one of the main causes of non-combat attrition during the peacetime and wartime and should be given high priority at all levels.