California Environmental News

Mosquito Spraying In Chester County Designed To Control Threat Of West Nile Virus

department has learned a great deal from its five years of running the West Nile Virus Control Program, making us one of the national leaders in efforts to wage a successful war against virus-carrying mosquitoes. These years of experience are helping us target resources more efficiently and ensure an even greater effectiveness of our field programs.”

Weather conditions permitting, spraying will be conducted during the early evening on Thursday, July 20, in Uwchlan Township in the Lionville Area (Spring Run, Shamona, and Charles Martin Park areas). Truck-mounted spraying equipment will be used. Vector Disease Control Inc. of Greenville, Miss., will do the work. They will use Pyrocide 7396 applied at a rate of 0.66 ounces per acre. This will be the second spraying event this year in this area.

Certain species of mosquitoes carry West Nile virus, which, when transmitted to people, can cause West Nile encephalitis, an infection that can result in an inflammation of the brain. According to the Centers for Disease Control and Prevention, all residents of areas where virus activity has been identified are at risk of getting West Nile encephalitis; people over 50 have the highest risk of severe disease. Read more at ahs.dep.state.pa.us

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	Did You Know?
	There is a National Toxicology Program National Toxicology Program. Federal activity overseen by the Department of Health and Human Services with resources from National Institutes of Health, the Food and Drug Administration, and the Center for Disease Control. Its goals are to develop tests useful for public health regulations of toxic chemicals, to develop toxicological profiles of materials, to foster testing of materials, and to communicate the results for use by others.(NTP Information Office, MD B2-04, Box 12233, Research Triangle Park, NC 27709).