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目的明确深圳市宝安区疑似登革热疫情波及范围,以对疫情的发展趋势进行风险评估。方法建立病例定义,运用描述流行病学对患者的流行病学联系进行分析,并对疫情的扩散风险进行评估。结果该起登革热疫情共有2名病例,发病原因均为参加同次旅行团在印尼旅游期间感染后回国的输入性病例。对其中1名患者家庭周围的91户居民调查后发现,存在播散登革热疫情的可能(灭蚊前后布雷图指数分别为18.68和6.98)。结论该疫情为一起输入性登革热疫情。
Objective To clarify the scope of the suspected dengue outbreak in Bao’an District of Shenzhen City in order to assess the risk of the epidemic. Methods To establish the definition of the case, analyze the epidemiological relationship of the patients using descriptive epidemiology, and evaluate the risk of spread of the epidemic. Results There were 2 cases of Dengue Fever outbreaks, all of which were caused by imported patients who returned home after traveling in Indonesia during the same tour. A survey of 91 households around one of the patients’ families found that there was a possibility that the dengue fever could spread (before and after anti-mosquito measures were respectively 18.68 and 6.98). Conclusion The outbreak is an imported dengue fever epidemic.