West Nile Virus-positive bird found in Grey-Bruce

An adult mosquito is shown in the laboratory as the 2007 West Nile Virus program of the Middlesex-London Health Unit kicked off in Strathroy, Ont., Thursday May 10, 2007. (THE CANADIAN PRESS/Dave Chidley) An adult mosquito is shown in the laboratory as the 2007 West Nile Virus program of the Middlesex-London Health Unit kicked off in Strathroy, Ont., Thursday May 10, 2007. (THE CANADIAN PRESS/Dave Chidley)

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