
Prevent West Nile Virus
The best way to protect yourself from West Nile virus is to prevent mosquito bites. Below are tips to help you avoid mosquito bites during West Nile virus season, which is typically the end of May through early October.
Tips to Prevent West Nile Virus

Apply Insect Repellent
- Use EPA-registered repellents containing 20% to 50% DEET on adults. Acceptable alternative repellents contain picaridin or oil of lemon eucalyptus. Always follow label directions.
- On children, use a child-friendly EPA-registered insect repellent containing 20 % to 30% DEET.
- Do not use repellent on babies younger than two months old.
- Do not use repellents containing oil of lemon eucalyptus or para-menthane-diol on children younger than three years old.
- Find specific tips on how to apply insect repellent.

Drain Standing Water
Don’t allow mosquitoes to breed!
- Check the outside of your home and get rid of any items that may hold water, such as old tires, flower pots, buckets, or bottles
- Empty plastic wading pools twice weekly. Store inside when not in use.
- Store boats covered or upside down.
- Water bowls for pets should be emptied and refilled daily.

Repair Torn Screens
- Be sure screens in homes are in good repair and tight-fitting without gaps.

Beware During Dusk & Dawn
- Limit time outdoors when mosquito activity is heaviest (dusk to dawn).
Other Tips
- Keep gutters clean and in good repair.
- Keep weeds and grass cut short.
- When outdoors, wear shoes and socks, long pants and a long-sleeved shirt.
- Loose-fitting, light-colored clothing is best.
- Protect babies and small children by using mosquito netting over strollers.
For more information, access CDC tips on protecting yourself from mosquito bites.
Updated June 4, 2025, 5:30 PM