Yes it does !!!This is bad stuff if you get it you will always have it!!! An most likely you will have a bout every year Mersa is most likely received in a hospital environment In older hospitals the bacteria grows on walls floors equipment ect. If you have to stay in a hospital over a week for surgery you will most likely get mersa on top of what you already have !! Sorry about the bad news !! Go to a newer hospital an go home as soon as you can to try an avoid..... OVER AN OUT CHUCKY BUMPS