Officials offer tips on avoiding threat of West Nile Virus Along with warmer weather comes those pesky mosquitos – and the threat of West Nile Virus, says the Chester County Health Department. Officials want to remind residents that the best way to control mosquitoes, which can transmit the virus to humans, is to get rid of standing water on your property. In a news release, the Health Department...

Five townships produce first local evidence of virus in 2013, says Health Dept. A Southern House Mosquito, one of a number of breeds of mosquitos known to carry the West Nile Virus. Mosquitoes trapped in Birmingham Township have tested positive for West Nile Virus (WNV), the Chester County Health Department reported Thursday. Tests on mosquitoes collected in Birmingham, Schuylkill, Thornbury, Upper...