Kent Rebekah J, Lacer Laurie D, Meisch Max V
Department of Entomology, University of Arkansas, Fayetteville, AR 72701, USA.
J Med Entomol. 2003 Mar;40(2):223-9. doi: 10.1603/0022-2585-40.2.223.
Migratory birds could introduce West Nile (WN) virus to Arkansas. The purpose of this study was to establish a cooperative arbovirus surveillance program to monitor mosquitoes and birds in Arkansas for arboviruses. Our objectives were to: 1) perform routine, multicounty collections of mosquitoes and test them for eastern equine encephalitis, St. Louis encephalitis, and WN viruses; and 2) conduct passive surveillance by testing dead wild birds for WN virus. Arbovirus surveillance was organized by the Arkansas Department of Health, University of Arkansas, and Vector Disease Control Incorporated. None of the 14,560 mosquitoes (425 pools) tested were virus positive. Two hundred forty-two dead birds from 62 counties were tested for WN virus. Four blue jays in three counties were positive. These infections are the first reported incidences of WN virus in Arkansas. Sera from five horses with suspected encephalitis all tested negative for WN, eastern equine encephalitis, and western equine encephalitis viruses.
候鸟可能会将西尼罗河病毒引入阿肯色州。本研究的目的是建立一个合作性虫媒病毒监测项目，以监测阿肯色州的蚊子和鸟类是否感染虫媒病毒。我们的目标是：1）在多个县进行常规蚊子采集，并检测它们是否感染东部马脑炎病毒、圣路易斯脑炎病毒和西尼罗河病毒；2）通过检测死亡野生鸟类是否感染西尼罗河病毒来进行被动监测。虫媒病毒监测由阿肯色州卫生部、阿肯色大学和病媒疾病控制公司联合组织。所检测的14560只蚊子（425组）均未呈病毒阳性。对来自62个县的242只死鸟进行了西尼罗河病毒检测。三个县的四只冠蓝鸦呈阳性。这些感染是阿肯色州首次报告的西尼罗河病毒感染病例。五匹疑似脑炎的马的血清检测西尼罗河病毒、东部马脑炎病毒和西部马脑炎病毒均呈阴性。
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