text: has anyone heard of mrsa? my son is 18 mnths now but he has had mrsa 4 times has anyone else had this that you know of. methicillin-resistant staphylococcus aureus is what its called and it is a   type of bacteria that is resistant to certain antibiotics.  staph or mrsa infections in the community are usually manifested as skin infections, such as pimples and boils, and occur in otherwise healthy people.  the only thing i can tell you is wash your hands all the time and stay clean.