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2017 WNV Mosquito Test Results

Red circles indicate an area that has had a positive test for West Nile Virus.

Locations may have had more than one positive result on multiple dates. To access all positive historical data click on the red circle and scroll through.

A human figure symbol indicates an area that has reported a positive human case of West Nile Virus.


WNV Human Cases 2017


Positive Pool Rate 2017


Bird Deaths 2017