The American Academy of Allergy, Asthma & Immunology (AAAAI) is a professional organization with more than 6,700 members in the United States, Canada and 72 other countries. This membership includes allergist / immunologists, other medical specialists, allied health and related healthcare professionals—all with a special interest in the research and treatment of allergic and immunologic diseases.

The world’s leading medical association dedicated to advancing our clinical and scientific understanding of pulmonary diseases, critical illnesses and sleep-related breathing disorders.

ERS is the leading professional organisation in its field in Europe. It is broad-based, with some 10,000 members and counting in over 100 countries. Its scope covers both basic science and clinical medicine.

Global Allergy and Asthma European Network. The objective of the European Union funded GA²LEN Network of Excellence is to establish an internationally competitive network of European centers of excellence in allergy and asthma. The program aims to strengthen European research, spread excellence and knowledge, to address allergy and asthma in their totality and eventually to decrease the burden of allergy and asthma in all regions of Europe.

Interasma is an international health organization completely focused on all aspects of asthma which bridges the gap between academia and the world of clinical practice.

The WAO is an international umbrella organization whose members consist of 89 regional and national allergology and clinical immunology societies from around the world. By collaborating with member societies, WAO provides direct educational outreach programs, symposia and lectureships to members in nearly 100 countries around the globe.