West Nile Virus-Positive Mosquito Pool in 2009 Confirmed in Maryland

The Maryland Department of Agriculture (MDA) announces the first state detection of a West Nile virus (WNV) mosquito pool in Maryland in 2009. State Department of Health and Mental Hygiene (DHMH) laboratory results confirmed the presence of WNV in mosquitoes (Culex pipiens) collected on July 21 in the Pocomoke City, Worcester County. MDA mosquito control personnel are continuiong to wor

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