缅甸克钦地区媒介微小按蚊分布和传疟作用  

Distribution of Anopheles minimus and its role in malaria transmission in the Kachin Region of Myanmar

作　　者：周晓俊[1] 施文琦[1] 张仪[1] 周晓农[1] 胡铃[1] 王学忠[2] 王剑[2] 

机构地区：[1]中国疾病预防控制中心寄生虫病预防控制所,世界卫生组织疟疾、血吸虫病和丝虫病合作中心,上海200025 [2]云南省寄生虫病防治所,云南普洱665000

出　　处：《中国病原生物学杂志》2010年第8期578-580,584,共4页Journal of Pathogen Biology

基　　金：“十一五”国家重大专项(No.2008ZX10004-010);科技部国家自然科技资源基础平台项目(No.2005DKA21104);“十五”国家科技攻关计划项目(No.2003BA71ZA09-01)

摘　　要：目的研究中缅边境微小按蚊分布和传疟作用。方法 2008年8月24日～9月12日选择中缅边境5个自然村,用诱蚊灯在人房和牛房捕蚊。以复合PCR鉴别微小按蚊A或C,以巢式PCR检测蚊体内的疟原虫感染率,以复合PCR鉴别微小按蚊腹血。结果复合PCR鉴定微小按蚊A型居多,占98.04%,疟原虫感染率为1.72%,人房人血指数为56.12%。结论此时间段缅甸克钦地区微小按蚊A型居多,且以吸人血为主,具有较高的疟疾传播潜势。Objective To study the distribution of Anopheles minimus and its role in malaria transmission in the Kachin Region of Myanmar.Methods Mosquitoes were collected using lamp traps in five villages along the Sino-Burmese border in the Kachin Region of Myanmar from August 24th to September 12th,2008.Complex An.minimus A or C was identified by multiplex PCR and mammalian bloodmeals in An.minimus,and rates of Plasmodium infection of mosquitos were detected by nested PCR.Results Complex A was prevalent in residences,accounting for 98.04% of mosquitoes collected.The rate of Plasmodium infection was 1.72%.The human blood index for residences was 56.12%.Conclusion During the period studied,An.minimus A was the major malaria vector in the Kachin Region of Myanmar.These mosquitoes prefer human blood and have a higher potential for malaria transmission.

关 键 词：微小按蚊 复合PCR 巢式PCR 嗜血习性 媒介能量 

分 类 号：R384.1[医药卫生—医学寄生虫学]