FACT

If your child outgrows a peanut allergy, he or she should have foods containing peanuts at least once a month to prevent the allergy from returning.

Source:
reflector.com

Disclaimer

As written on the abcpeanuts.com home page.....

The material on these pages are for educational purposes.  Information about peanut / tree nut allergies can change on any given day.  Always consult with your family doctor / allergist regarding information on this web page. Always remember to read the food labels /  ingredients on food products each time you purchase them. The designers of this web site assume no responsibilities for any problems you may incur with regards to the peanut / tree nut allergy.  The information contained herein is not intended or implied to be a substitute for professional medical advice. Please seek the advice of your physician regarding any treatment for allergies.