The American Academy of Allergy, Asthma and Immunology (AAAAI) is the largest professional medical specialty organization representing allergists, clinical immunologists, allied health professionals, and other physicians with a special interest in allergy

The American Academy of Otolaryngology - Head and Neck Surgery (AAO-HNS) is the world's largest society of physicians who treat disorders of the ear, nose and throat and related structures of the head and neck. Otolaryngologists diagnose, treat, and man

The ALA is a voluntary health organization that fights lung disease in all forms, with special emphasis on asthma, tobacco control and environmental health.

The American Rhinologic Society promotes excellence in clinical care, investigation and education in the fields of Rhinology and Sinusology. The ARS is the only professional organization that deals specifically with the issues of sinus surgery.

The Mayo Foundation is a non-profit, charitable organization that provides patient care through integrated clinical practice, education and research.

MEDLINEplus contains comprehensive good health information from the world's largest medical library, the National Library of Medicine. Follow the link to their section on sinusitis.National Institute of Allergy and Infectious Disease.

The National Institute of Allergy and Infectious Disease represent one of the leading research centers for all of healthcare. Read the fact sheet on Rhinosinusitis and Allergy.

National Jewish Medical and Research Center is known worldwide for treatment of patients with respiratory, immune and allergic disorders. The center aims to develop clinical programs, conduct research, and inform both health professionals and consumers.