The first cases of west nile virus in horses have been reported in Eastern Washington. Two horses, one in Toppenish and one in Prosser have tested positive.
Neither horse was vaccinated. One horse had do be euthanized, the other is expected to recover.
These are the first confirmed cases in Washington State this year of the virus found in horses. Earlier this week (Thursday) the first bird was diagnosed with west nile. It was found in the Prosser area