Faculty of Tropical Medicine, Mahidol University conducted an Elective Program in Tropical Medicine for a medical doctors and medical students from Japan, Indonesia, Austria and USA, during 3 - 28 August 2015.  This course consists of two weeks lectures on important tropical diseases, clinical and laboratory diagnosis for tropical diseases, ward rounds and case presentation.   Then the participants will spend other two weeks for clinical experiences at Ranong Provincial Hospitals in Ranong Province and Sawan Prachalark Hospital in Nakorn-sawan Province.