West Nile virus found in mosquitoes at two York County sites

Matt Enright
York Dispatch
Lee Graybill, program administrator of the Mosquito Surveillance Program in York County, places mosquito traps at a location off of Roosevelt Avenue in York, Wednesday, August 14, 2019. Captured mosquitoes will be tested for West Nile Virus. 
John A. Pavoncello photo

More mosquitoes have tested positive for West Nile virus in York County.

Samples containing the virus were found in West Manchester Township on July 7 and Carroll Township on July 9 by the York County Mosquito Surveillance Program, according to a York County news release. Additional surveillance, sampling and larval control is being performed by the Mosquito Surveillance Program and the Pennsylvania Department of Environmental Protection.

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To prevent mosquitoes, the most important thing is to eliminate standing water whenever possible by cleaning up properties.

"Tires, junk in the backyard, kiddie pools, any of those things. That can be a big help," program administrator Lee Graybill said in June. "We try to go out and clean up and treat retention ponds and catch basins, and abandoned homes might have a swimming pool." 

In addition to getting rid of standing water, residents should use insect repellents containing DEET. 

"For individuals who don’t like to use repellents, we recommend taking an electric fan outside with you," the news release said. "Mosquitoes don’t like the wind and the fan will help keep them away."

York County residents can report mosquito concerns to the Pennsylvania West Nile virus website at www.westnile.state.pa.us. In addition, they can contact the York County Mosquito Surveillance Program by calling 717-840-2375 or emailing LMGraybill@yorkcountypa.gov. 

For information about the West Nile virus and possible symptoms, call the Pennsylvania Department of Health at 1-877-724-3258.