Spokane Regional Health District (SRHD) officials reported on Aug. 29 the laboratory confirmation of West Nile virus in a mosquito sample from Spokane County. Five local horses were also confirmed to have the virus this month.
West Nile virus is spread through the bite of an infected mosquito. It is well established that some types of mosquitoes common to Spokane County can transmit the virus. No human cases of West Nile virus have been confirmed in the county in 2017.
Washington State Public Health Laboratory confirmed the positive mosquito sample after it was submitted by Eastern Washington...
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