World Allergy Congress (WAC)TM
The World Allergy Organization (WAO) holds its World Allergy Congress (WAC) every two years. Each Congress attracts over 4,000 experts and scientists working and interested in the fields of allergy, immunology and other related fields. In most cases, WAO partners with a regional or national Member Society to host the Congress.
Upcoming Congresses
2011

Cancun, Mexico
Dates: 4-8 December 2011
Website: www.worldallergy.org/wac2011
2013
Rome, Italy
2015
Seoul, Korea
Past Congresses
| 2009 | Buenos Aires, Argentina |
| 2007 | Bangkok, Thailand |
| 2005 | Munich, Germany |
| 2003 | Vancouver, Canada |
| 2000 | Sydney, Australia |
| 1997 | Cancun, Mexico |
| 1994 | Stockholm, Sweden |
| 1991 | Kyoto, Japan |
| 1988 | Montreux, Switzerland |
| 1985 | Washington D.C., United States |
| 1982 | London, United Kingdom |
| 1979 | Jerusalem, Israel |
| 1976 | Buenos Aires, Argentina |
| 1973 | Tokyo, Japan |
| 1970 | Florence, Italy |
| 1967 | Montreal, Canada |
| 1964 | Madrid, Spain |
| 1961 | New York, United States |
| 1958 | Paris, France |
| 1955 | Rio de Janeiro, Brazil |
| 1951 | Zurich, Switzerland |
