During January 17^th – 21^st, 2023, Dr. Vannipa Vathanophas, from the Department of Otorhinolaryngology, Faculty of Medicine Siriraj Hospital, Mahidol University, delivered a presentation on the topic “The prevalence of high risk severe OSA in the children with Down syndrome by the Modified OSA-18 questionnaire” at IFOS DUBAI ENT World Congress 2023 hosted by the International Federation of Otorhinolaryngological Society (IFOS) in Dubai, UAE.