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.
Past Congresses
| 2011 | Cancún, México |
| 2009 | Buenos Aires, Argentina English Report Spanish Report |
| 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 DC, 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 |

