West Nile Virus: 35 States Active, First Reported 2009 Horse Death in California
When West Nile virus (WNV) made its march from East Coast to West Coast starting in late 1999, California was one of the last states to be struck by the disease. In the past couple of years, California has one of the the highest rates of West Nile virus problems in the country, and it now has recorded its first horse death for 2009 due to the disease, which is spread by



