Tag Archives: Maricopa County Environmental Services Department

The most West Nile virus cases are in Arizona

February 25, 2012

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The most intense West Nile virus (WNV) activity in the nation is in Arizona, according to the Centers for Disease Control (CDC). As of October 5, 2010, 620 cases of WNV human disease had been reported in the United States, with 114 in Arizona. New York is next with 103, followed by California with 60. […]

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