- www.entnet.org -- American Academy of Otolaryngology - Head and Neck Surgery
- www.aaaai.org -- American Academy of Allergy, Asthma, and Immunology
- www.acaai.org -- American College of Allergy, Asthma, and Immunology
- www.niaid.nih.gov -- National Institute of Allergy and Infectious Disease
- www.american-rhinologic.org -- American Rhinologic Society
- www.cdc.gov/vaccines -- National Immunization Program
Review Date: 05/10/2010
Reviewed By: Harvey Simon, MD, Associate Professor of Medicine, Harvard Medical School; Physician, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.