摘要
目的分析-年广西壮族自治区(广西区)个国家级登革热监测点的监测结果,为登革热流行趋势的预测、预警和制定防治对策提供科学依据。方法收集监测点的登革热疫情和媒介伊蚊等监测资料,进行描述性统计分析。结果 2005-2008年广西区共发生2例登革热病例,均为输入性病例;3个国家级登革热监测点无病例报告,优势蚊种为白纹伊蚊,未发现埃及伊蚊;各监测点大部分监测月份布雷图指数(BI)均超过5的安全水平,其中钦州市、防城港市大部分监测时段BI均在20以上,伊蚊幼虫孳生密度高峰在6-8月,阳性容器以暂时性容器为主,1208只白纹伊蚊中未检测到登革热病毒核酸或分离到病毒。结论广西区在虫媒方面已经具备传播登革热病毒的条件,存在登革热流行的潜在危险,应加强监测和卫生宣教,将BI控制在20以下。
Objective To provide the basis for the prediction, early warning and development of control strategies of dengue epidemic by analyzing the dengue surveillance data in three national surveillance spots in Guangxi from 2005 to 2008. Methods Descriptive epidemiological analysis was conduced based on the dengue fever data reported through the China Information System for Disease Control and Prevention and the surveillance results of designated spots from 2005 to 2008. Results From 2005 to 2008, two imported cases of dengue fever were reported in Guangxi while no case observed in the three national surveillance spots. The predominant species of vector was Aedes albopictus, though no Ae. aegypti were detected. The breteau index（BI） was above 5, the security level, in all surveillance spots most of the year, particularly in Fangchenggang and Qinzhou city, where the indices stayed above 20 most of the time. The Aedes larval density peaked from June to August, with temporary containers being the major positive culprits. Neither dengue virus nucleic acids, nor viral isolates, were detected from 1208 Ae. albopictus. Conclusion With the presence of dengue-carrying vectors, Guangxi has faced potential risks of dengue epidemic. Therefore, the surveillance system and public health education should be strengthened to curb the BI under 20.
出处
《中国媒介生物学及控制杂志》
CAS
CSCD
2011年第1期52-54,共3页
Chinese Journal of Vector Biology and Control
关键词
登革热
监测
布雷图指数
Dengue fever
Surveillance
Breteau index
