Methicillin resistant Staphylococcus aureus

特許 係属中 Methicillin-resistant Staphylococcus aureus (MRSA) (/ˈmɜrsə/ or /ɛmɑrɛseɪ/) is a bacterium responsible for several difficult-to-treat infections in humans. It is also called oxacillin-resistant Staphylococcus aureus (ORSA).[1] MRSA is any strain of Staphylococcus aureus that has developed, through the process of natural selection, resistance to beta-lactam antibiotics, which include the penicillins (methicillin, dicloxacillin, nafcillin, oxacillin, etc.) and the cephalosporins. Strains unable to resist these antibiotics are classified as methicillin-sensitive Staphylococcus aureus, or MSSA.