Methicillin-resistant Staphylococcus aureus (MRSA) is a type of Staphylococcus aureus that is resistant to the antibiotic methicillin. MRSA is one example of a so-called “superbug,” an informal term used to describe a strain of bacteria that has become resistant to the antibiotics usually used to treat it. MRSA first appeared in patients in hospitals and other health facilities, … Continue reading Methicillin-resistant Staphylococcus aureus