Asst. Prof. Dr. Woottichai Khamduang, along with Dr. Nicole Ngo-Giang-Huong and Dr. Gonzague Jourdain, faculty members and researchers from the Faculty of Associated Medical Sciences, Chiang Mai University, participated as speakers at the 2025 Mekong Hepatitis Symposium. The event was held from June 4–5, 2025, at Don Chan Palace Hotel & Convention Center in Vientiane, Lao People's Democratic Republic.

The symposium provided a platform for sharing knowledge with regional and international experts to support the goal of eliminating hepatitis in the Mekong region and strengthening regional cooperation in the field of infectious diseases. The participation was supported by the Faculty of Associated Medical Sciences, Chiang Mai University, in collaboration with international research networks and the Mérieux Foundation.