The International World of Microbiome Conference (WoM 2022) is set to take place on 28-30 April, 2022 in Vienna, Austria. This unique event provides a platform for both inter-disciplinary and basic-clinical exchange that enables high-level discussion and pushes forward meaningful research in microbiome science. The two prior WoM events have been enthusiastically received and fostered many collaborations between specialists around the world. The upcoming third edition of the Conference will introduce a new Zone to our World - in addition to WoM: Pregnancy, Birth & Infancy (PBI) and WoM: Digestive & Metabolic Health (DMH) we are adding WoM: Oral. 3 Zones • 1 Exhibition • All the Experts This year the program is based on three carefully curated learning and networking zones to advance research, understanding & application in the world of microbiome. These zones are specifically designed to bring the latest insights in each topic, highlight the interrelations between all of them and foster collaboration among clinicians, researchers, and the industry. The World of Microbiome Series, by GEMS, is growing and in 2022 is bringing not only the 3rd edition of the successful World of Microbiome: Pregnancy, Birth & Infancy conference and the 2nd edition of the World of Microbiome: Digestive & Metabolic Health, but also a brand-new topic: World of Microbiome: Oral.