West Nile Virus Found in Overwintering Mosquito in Pennsylvania
Pennsylvania Department of Environmental Protection and Lehigh County West Nile virus (WNV) personnel detected WNV in a Catasaqua Borough mosquito pool.
The West Nile virus workers were collecting samples to determine the status of the virus in overwintering mosquitoes. Officials emphasized that this species of mosquito, Culex pipiens, is not active this time of year, and poses no