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目的分析宁波市2005-2012年登革热病例流行病学特征,并结合病媒生物监测数据,分析宁波市出现登革热流行的风险。方法采用Excel 2003软件分析宁波市登革热病例的流行病学特征;采用CO2诱蚊灯法调查宁波市蚊类种群构成及其密度。结果2005-2012年宁波市累计报告11例登革热病例,均为输入性病例,其中25~50岁有8例,男女性别比为1.75∶1。患者职业分布以商务人员为主(36.37%)。白纹伊蚊是宁波市登革热传播主要媒介蚊种。结论宁波市白纹伊蚊广泛存在,输入性病例逐年增多,存在发生登革热流行的风险。应继续做好蚊类监测,预防登革热流行的发生。
Objective To analyze the epidemiological characteristics of dengue fever in Ningbo City from 2005 to 2012 and analyze the risk of dengue fever in Ningbo with the monitoring data of vector. Methods The epidemiological characteristics of dengue fever cases in Ningbo were analyzed by using Excel 2003 software. The population structure and density of mosquitoes in Ningbo City were investigated by using CO2 lamp. Results A total of 11 cases of dengue fever were reported in Ningbo City from 2005 to 2012, all of which were imported cases, of which 8 cases were 25-50 years old and the male / female ratio was 1.75:1. Occupational distribution of patients to business-based (36.37%). Aedes albopictus is the main media of dengue fever in Ningbo mosquito species. Conclusion The Aedes albopictus in Ningbo is widespread and the number of imported cases is increasing year by year. There is a risk of dengue epidemic. Mosquito monitoring should be continued to prevent the dengue epidemic.