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目的分析深圳市龙岗区3例输入性登革热病例的临床特点和流行病学特征。方法采用描述性流行病学方法对3例病例的发现、诊断和应急处置等进行回顾分析和效果评价。结果 3名患者起病前均在印度工作,都有白天蚊虫叮咬史和登革热患者接触史,在印度时均已出现登革热症状,患者雷某和方某的DEV-IgM、DEV-IgG均呈阳性,患者文某的DEV-IgM呈阳性、DEV-IgG呈阴性,均为实验室确诊病例。结论流行病学证据显示此起疫情为输入性登革热疫情,防控措施及时有效,没有二代病例的产生。
Objective To analyze the clinical features and epidemiological characteristics of 3 imported dengue cases in Longgang District, Shenzhen. Methods Descriptive epidemiological methods were used to retrospectively analyze and evaluate the findings, diagnosis and emergency treatment of 3 cases. Results All three patients worked in India before onset. Both had history of mosquito bites during daytime and history of dengue fever. Dengue symptoms were found in India. Both DEV-IgM and DEV-IgG were positive , DEV-IgM was positive in patients with Wen, DEV-IgG was negative, are laboratory confirmed cases. Conclusion Epidemiological evidence shows that the epidemic situation is an imported dengue outbreak. The prevention and control measures are timely and effective. There is no case of second generation.