Welcome, Dr. Malina Lim, a 3rd -year resident from the University of California, Los Angeles (UCLA), USA, to undertake an elective study at the Division of Infectious Diseases, Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University, under the supervision of Assoc. Prof. Wanatpreeya Phongsamart, starting from January 11th – February 24th, 2023.