The 28th World Allergy Congress 2022 (WAC2022) has been held in Istanbul, Turkey, from October 13th-15th, 2022. The conference was jointly organized by the World Allergy Organization (WAO) and the National Society of Allergy and Clinical Immunology of Turkey (TNSACI). The conference attracted numerous experts and scientists from allergy, immunology, and other related fields to participate. WAO is a global resource center and advocate in the fields of allergy, asthma, and clinical immunology, promoting the best clinical treatment, education, research, and training for allergic diseases through the World Alliance of Allergy and Clinical Immunology Societies. The 29th World Allergy Congress (WAC2023) will be held from December 1-3, 2023 in Bangkok, Thailand, and will be organized by the World Allergy Organization (WAO) and the Allergy, Asthma, and Immunology Association of Thailand (AAIAT). The World Allergy Organization/World Allergy Organization (WAO) was established in 1951 and is an international umbrella organization with membership in the Society for Allergy and Clinical Immunology in 99 countries and regions. Through collaboration with member associations, WAO provides direct educational outreach programs, seminars, and lectures to members from nearly 100 countries worldwide, leading the translation of international medical conference online. WAO is expanding its scope of authority by directly bringing together allergy experts and clinical immunologists from around the world engaged in research and/or practical activities.