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UGG Boots Outlet 云南省&#2

 
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PostPosted: Fri 18:46, 18 Mar 2011    Post subject: UGG Boots Outlet 云南省&#2

云南省河口市蚊虫及虫媒病毒调查
者为登革热。表1河口市白天捕获的蚊虫种娄及组成·38·表2河口市夜间捕获蚊虫种类及组成蚊虫数量掏成比(只)()三带喙库蚊Culestritaeniorhynchu~3131伪杂鳞库蚊C.pseudovish903棕头库蚊C.fu~coZcphalus239环带库蚊C.annulus1帅致倦库蚊C.pipiensquiquefascitatus19中华库蚊C.sinen~is13霜背库蚊C.~uhitmorel8雪背库蚊C.gelidus3麻翅库蚊C.bitaehiornyuchus1黑点库蚊C.nigropunctatu~1迷走按蚊AnophelesVagus216中华按蚊.s/nensis201簇腹按蚊.kochi44菲律宾按蚊.phitippinesis44微小按蚊.mininu~1多斑按蚊.maculatu~1溪瘴按蚊.uviatitis1骚扰阿蚊ArmigeresSubalbatus218捌扰阿蚊Aedesw51常型曼蚊Mansoniauniformis28总计(20种)326159.5117.164.543.610.360.250.150.060.020.024.613.820.840.840.020.020.024.110.020.531O0.O0本次在该地采集发热患者和正常人群血清125份,用血凝抑制试验查检基孔肯雅(Chikungunya)病毒抗体,[link widoczny dla zalogowanych],阳性8份,阳性率为6.4。3讨论从1987~1996年的气象资料看,河口市年平均温度为20~24c,RH80%左右,[link widoczny dla zalogowanych],年降雨量在1300mm以上。表明该地气温高,湿度大,雨量多,适于蚊虫的生存和繁殖。本次调查发现,该市蚊虫数量多,分布广,种类也医学动物防制1998年lo月第H卷第5翅较为丰富。由于生境不同,蚊种亦有明显差别。郊区畜圈中以库蚊和按蚊为主,野外竹林、树林中以伊蚊和阿蚊为主。三带喙库蚊是农村畜圈的优势蚊种,该蚊分布广,数量多,与人畜关系密切,[link widoczny dla zalogowanych],从该蚊体内分离到乙脑病毒,认为是当地乙脑的主要传播媒介,[link widoczny dla zalogowanych]。伪杂鳞库蚊被认为可传播乙脑病毒,该蚊是当地仅次于三带喙库蚊的主要蚊种,对其媒介作用亦应重视。白纹伊蚊是我省登革热和基孔肯雅病的主要传播媒介。,以往和本次调查发现.白纹伊蚊在该市广泛分布,并从该蚊体内分离到登革病毒,人血清中检查到登革和基孔肯雅病毒抗体。邻近的越南为登革热和基孔肯雅病的地方性流行区,该市又存在这两种病毒的自然循环,[link widoczny dla zalogowanych],引起流行的可能性仍然存在,应予以重视。本文为河口市乙脑、登革热和基孔肯雅病的监测和防治提供了科学依据。由于河口市的特殊自然地理条件,适宜虫媒病毒的存在,除上述3种虫媒病毒外,可能还存在其它虫媒病毒,有必要进行深入的研究。4
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