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West Nile Virus Press Releases and News

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Press Releases 2007 Squirrel Tests Positive for West Nile Virus in San Mateo County [PDF] - July 18, 2007 2005 Bird Tests Positive for West Nile Virus in San Mateo County - April 7, 2005 2004 First Bird Tests Positive for West Nile Virus - August 11, 2004 West Nile Virus Arrives in the Bay Area - July 21, 2004 More Health Department press releases   Press Releases First Bird Tests Positive for West Nile Virus - August 11, 2004 West Nile Virus Arrives in the Bay Area - July 21, 2004