How many cases have been reported in Washington?
In 2008, there were three human cases in the state, one in King County and two in Yakima County. There were also 41 horses in eastern Washington that contracted the disease. Dead birds in Thurston, Lewis, Pierce, and King counties tested positive for the virus. West Nile has steadily spread across the country since it was first detected in New York. For current Washington statistics, seeWNV Surveillance, WA Dept of Health.
