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Particularly during dawn and dusk, but also during the day in shaded areas where mosquitoes are harboring away from the sun.

If you will be outdoors, wear long-sleeved, loose, light-colored clothing and apply an insect repellent (according to the label instructions) to any exposed skin.

Look for the following active ingredients:

• DEET
• Picaridin
• IR3535
• Oil of lemon eucalyptus (OLE)
• Para-menthane-diol (PMD)
• 2-undecanone

Keep screens on windows and doors in good repair.

Utilize air conditioning when available.

Eliminate or dump at least weekly any standing water, which may include:

• Kids' toys, pet bowls, buckets, corrugated drain pipes 
• Disposing of old tires 
• Cleaning out clogged rain gutters 
• Emptying flower pots and bird baths
• Draining pool covers and tarps 
• Keeping fence posts covered

Treat* with larvicide (according to label instructions) any water that you cannot dump regularly, such as:

• Ornamental ponds
• Low lying areas on your property that hold water

*Many areas supply mosquito dunks for free to residents (e.g. Suffolk and York) or you can purchase them at your local hardware/home improvement store as well as online retailers.

Consult with your veterinarian to make sure all of your animals are protected. Available preventative measures include:

• Horses: vaccines for West Nile virus and Eastern equine encephalitis virus
• Dogs, cats, and ferrets: heartworm preventative medicine