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World Allergy Organization

Logo: http://www.worldallergy.org, Non-free logo, via Wikipedia3

The World Allergy Organization (WAO) is an international umbrella organization of 111 regional and national allergology and clinical immunology societies. Since the first World Allergy Congress (WAC) held in Zurich, Switzerland in 1951, there have been 29 WACs as well as a number of WAO International Science Conferences (WISC), Webinars, and Symposia.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1951Founded1

The World Allergy Organization (WAO) is an international umbrella organization of 111 regional and national allergology and clinical immunology societies. Since the first World Allergy Congress (WAC) held in Zurich, Switzerland in 1951, there have been 29 WACs as well as a number of WAO International Science Conferences (WISC), Webinars, and Symposia.2

Timeline

  1. 1951Founded Founded1

Sources

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