Welcome
The World Allergy Organization (WAO) is an international umbrella organization whose members consist of 104 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.
COVID-19 Information
Resources for allergists gathered or developed by the WAO COVID-19 Task Force: Available here.
In Memory of Professor Mario Sanchez Borges
It is with extreme sadness that we must report the passing of Professor Mario Sanchez Borges, who left us on 25 March 2021: Read a Tribute to Prof Mario Sanchez Borges
In Memory of Professor Yehia El-Gamal
It is with great sadness that WAO announces the death of Professor Yehia El-Gamal, who passed away on 06 March 2021: Read a Tribute to Prof Yehia El-Gamal from WAO and a Memorial from the Pan-Arab Society of Allergy, Asthma & Immunology
What's New





World Allergy Week 2021 (13-19-June): Anaphylaxis: Be aware. Be prepared. Save lives.
Allergic Disease Resource Center: Drug Allergies has been updated!
Ask the Expert: Read our updated question, Climate Change Effects on Allergy
Top Ten Scientific Articles: Our Top Ten articles from January 2021 are now available.
WAO Meetings
WAC 2022
Istanbul, Turkey
In collaboration with the Turkish National Society of Allergy and Clinical Immunology (TNSACI)
2023 Hawai'i Symposium: Food & Respiratory Allergies
Kona, Hawai'i, United States
18-20 May 2023
WAO Member Societies
WAO consists of nearly 100 regional and national allergology and clinical immunology societies. Find your local society for additional educational resources and local events!
Junior Members
To assure the future of the specialty of Allergy and Clinical Immunology, the World Allergy Organization (WAO) wants to support and encourage young clinicians and scientists in their professional careers. Learn more

Edited by Alessandro Fiocchi, MD
and Erika Jensen-Jarolim, MD
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2019 two-year IF: 3.506

Emerging Societies Program
Learn about World Allergy Training Schools
Literature Review
Editors' Choice
Read the newest article reviews