Colonization and in-hospital transmission patterns of methicillin-resistant Staphylococcus aureus among surgical patients at Teaching Hospital Karapitiya” (MRSA) study from September 2016. (PI – Dr. Ajith Nagahawatte, Co-Investigators: Dr. Champica Bodinayake, Dr. W. M. D. Gaya Bandara Wijayaratne, Dr. Gayani Tillekeratne, Prof. Christopher W. Woods, Prof. Truls Ostbye and Dr. Dharshan de Silva)