The Massachusetts Department of Public Health has confirmed that a mosquito sample collected in Chatham on Tuesday has tested positive for West Nile Virus.
As a result of the positive test, Chatham's risk level for the virus has been raised from low to moderate.
Cape Cod Mosquito Control crews are treating catch basins and containers holding standing water in the area surrounding the positive sample. Residents and visitors are encouraged to take precautions to prevent mosquito bites.
(Photo by Alex WROBLEWSKI / AFP via Getty Images)
Photo: ALEX WROBLEWSKI / AFP / Getty Images