American Academy of Allergy, Asthma and Immunology
611 East Wells Street
Milwaukee, WI 53202
Asthma and Allergy Foundation of America
1125 15th Street, N.W., Suite 502
Washington, DC 20005
Allergy and Asthma Network/Mothers of Asthmatics, Inc.
3554 Chain Bridge Road, Suite 200
Fairfax, VA 22030
Environmental Protection Agency (for more information on air-cleaning devices:)
Public Information Service
401 M Street, S.W.
Washington, DC 20460