The Lehigh Valley has recorded its first case of West Nile virus this year.
A mosquito collected in Bethlehem on July 9 tested positive for the virus, the Pennsylvania Department of Environmental Protection announced Thursday.
The DEP has collected 151 mosquitoes in Northampton County and 367 in Lehigh County so far this year, officials said.
As of Wednesday, the DEP said Northampton was one of seven counties in Pennsylvania considered to be "low risk" for the virus. Lackawanna County was at moderate risk.
Berks, another county considered to be at "low risk," recorded its first mosquito with West Nile virus on Wednesday. It was found in Cumru Township on July 10. A second mosquito has since tested positive. It in Washington Township on July 11.
All other counties currently under surveillance for West Nile are considered to be at a "remote risk."