A mosquito collected in Chester County has tested positive for West Nile virus, officials announced Tuesday.
The mosquito was trapped on June 24 in Uwchlan Township. The finding makes Chester County the tenth county in the state to find mosquitos carrying the virus this year. The others are Delaware, Berks, Franklin, Adams, Beaver, Centre, Cumberland, Dauphin, and Northumberland, according to the state.
Two mosquitos have tested positive in Delaware County, one in Aldan Borough and one in Chadds Ford Township, officials there said.