On December 2, 2022, Associate Professor Dr. Yajai Sitthimongkol, Dean of the Faculty of Nursing, Mahidol University along with administrators, faculty members and staff attended the Buddhist alms-offering ceremony for His Majesty King Bhumibol Adulyadej the Great on the occasion of His Majesty King Bhumibol Adulyadej the Great’s Birthday, National Day and Father's Day on December 5, 2022, to show loyalty and pay tribute to the memory of His Majesty King Bhumibol Adulyadej the Great. The event was held at Siriraj Hospital’s grounds around the Prince Mahidol Memorial Statue and the Office of the President, Mahidol University, Salaya.