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Posted on Jul 11, 2016

West Nile Virus detected in Grant County

Staff report

MOSES LAKE – The Grant County Health District has reported that a mosquito sample collected west of Moses Lake has tested positive for West Nile virus, making it the first detection of the virus in the county this season.
The mosquito district covers the greater Moses Lake area, including the Moses Lake Sand Dunes and Potholes. The positive sample is an indication that West Nile Virus is present in this area and potentially other areas of Grant County. The first positive mosquito sample statewide was identified a month ago in Yakima County.
During the 2015 season, four humans, seven horses and 107 mosquito samples were found to be infected with the virus, making it the most active season for West Nile Virus since it was first detected in Grant County almost a decade ago, according to the health district.
There are no reports of human or other animal cases so far this year; however, detection of the virus in the mosquito population means there is a potential for the spread of the virus to humans and other vulnerable species.
“The presence of West Nile Virus in local mosquitoes is a sign that our residents and guests can be infected, therefore we all need to take steps to prevent mosquito bites,” said Amber McCoy, environmental health specialist with the district.

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