The Collaboration on Severe Asthma (COSA) is a global platform for the exchange of scientific and clinical information on severe asthma to better understand the complexities of the disease and continually improve strategies for optimal care of the severe asthma patient. COSA initiatives, organized by the World Allergy Organization, currently include live symposia, online learning programs, scientific journal articles and online resource sharing.

In these pages you can search a growing database of scientific article references that are related to severe asthma and link out to the abstracts and articles that are available online.

Several educational resources on severe asthma are available with the World Allergy Organization online, and you can find a searchable list here.

You can also view where the Collaboration on Severe Asthma will be presenting new information as well as past activities here.

To view COSA members, click here.

Severe Asthma - New Insights
Symposium recorded during the WAO International Scientific Conference (WISC 2016) in Jerusalem, Israel, December 2016
Severe Asthma Phenotypes and Fungal Allergic Respiratory Disease, Paul Greenberger, MD
Aspirin Exacerbated Respiratory Disease, Shmuel Kivity, MD
Novel Therapies for Severe-Unresponsive Asthma, Elliot Israel, MD
View the symposium

Asthma Briefs on WAO TV
What Is Severe Asthma? Why Is It Important?  Eugene R. Bleecker, MD  Watch Video
Precision Medicine as It Relates to Severe Asthma  Sally E. Wenzel, MD  Watch Video
Blood Eosinophils in Severe Asthma  David B. Price, MD  Watch Video
Severe Asthma in Developing Countries  Alvaro A. Cruz, MD  Watch Video
Asthma COPD Overlap Syndrome (ACOS)  Maarten van den Berge, MD, PhD  Watch Video

Upcoming Activities of the Working Group


World Allergy Forum: Stratefied Medicine and Severe Asthma
10:45 AM to 12:00 PM

Personalized Approaches to Severe Asthma
Stephen T. Holgate, MD DSc FAAAAI

Understanding Responses to Therapies in Severe Asthma
Eugene R. Bleecker, MD FAAAAI

Understanding Phenotypes and Endotypes in Severe Asthma
Jan Lötvall, MD PhD FAAAAI

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