Seven mosquito samples collected last week by Penn State Cooperative Extension staff tested positive for West Nile virus.
One sample was collected July 3 in York City, while one was collected in Lower Windsor Township and two in Windsor Township on July 4. On July 5, one sample was collected in Conewago Township and two other samples were collected from West Manchester Township.
For 2012, 14 mosquito collections have tested positive for West Nile Virus in York County. Additional surveillance and mosquito trappings in the areas of these positive samples are being performed by staff from Penn State Cooperative Extension and the state DEP.
Mosquito samples testing positive for West Nile have been collected in 28 counties in the state this year. There have been human cases of West Nile virus every year in York County since 2002.
For more information about reducing mosquitoes in York County, call the Penn State Cooperative Extension York County West Nile Program office at (717) 840-2375.