On November 12, 2021, Associate Professor Dr. Yajai Sitthimongkol, Dean of the Faculty of Nursing Mahidol University, together with Associate Professor Dr. Somsiri Rungamornrat, Associate Dean for Quality Development, attended the 2021 Royal Kathin Ceremony which was organized by the Faculty of Medicine Siriraj Hospital, Faculty of Nursing, Faculty of Medical Technology, and Faculty of Physical Therapy of Mahidol University. The making-merit ceremony was held at Wat Dusitaram Worawihan, Arun Amarin, Bangkok Noi, Bangkok.