Mosquito Borne Disease Control

Mosquitoes may carry serious diseases. West Nile Virus is present in Pennsylvania. Mosquitoes are spreading Zika virus in the US. Health departments in Pennsylvania are working to eliminate standing water where mosquitoes breed. Chemicals that kill mosquitoes are being used to treat some areas. Spraying may be done from the ground or from the air in larger areas. If your facility or child care home is located near a spray area, remain indoors while spraying is being done. Close windows, and turn off ventilation systems that draw-in outside air during and 30 minutes after spraying ends.

For information about the products being used, please visit the EPA (Environmental Protection Agency) website at:

Everyone can help eliminate mosquito-breeding areas:
• Identify and eliminate everything that collects standing water outdoors. Mosquitoes will breed in any puddle that lasts for more than four days.
• Dispose of tin cans, plastic containers, ceramic pots, or similar water holding containers.
• Pay special attention to discarded tires that collect water.
• Drill holes in the bottom of recycling containers that are left outdoors.
• Have clogged roof gutters cleaned on an annual basis.
• Turn over plastic wading pools when not in use.
• Turn over wheelbarrows. Do not allow water to stagnate in birdbaths.
• Aerate ornamental pools or stock them with fish.
• Keep swimming pools clean and safe. Check the water daily with a health department-approved test method to be sure the pool meets safe water standards. Remove water that collects on swimming pool covers.
Use the tips for mosquito control to prevent the diseases they carry. Remember to apply diethyltoluamide (DEET) insect repellent to clothing or skin when outside.  Reviewed and reaffirmed 6/2021