Methicillin-Resistant Staphylococcus aureus (MRSA) is the most important pathogen causing the hospital-associated infections in the world. This study aims to figure out the MRSA infection in Arifin Achmad General Hospital, Riau Province, Indonesia. This was a retrospective study using medical records data of patients who received treatments at Arifin Achmad General Hospital in 2015-2019 wit…