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Welcome Letter from the Presidents

Dear colleagues and friends,

It is our privilege and honor to welcome you to participate in the Virtual, 25th World Congress of Asthma – October 30 – November 01.

The World Congress of Asthma brings together specialists, physicians, and healthcare professionals from all over the world to share valuable scientific knowledge on asthma and related conditions.

WCA has been a unique opportunity to exchange on current issues on asthma, offering and outstanding scientific program, including presentations by world-renowned speakers.  The 25th World Congress of Asthma – WCA-2021 will continue its tradition of excellence and you are welcome to take part to this unique world event.

GAA-INTERASMA presence after 65 years of uninterrupted education in the field of asthma, making it the most important international asthma and related diseases organization in the world, as well as a reference organization particularly for primary care physicians, specialists, healthcare providers and medical students.


Louis-Philippe Boulet MD, FRCPC



Prof. Pascal Chanez

President, WCA 2021 Congress