Methicillin-Resistant Staphylococcus aureus (MRSA)
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| Scanning electron micrograph (SEM) depicting numerous clumps of MRSA bacteria. Credit: Centers for Disease Control and Prevention. |
During the past four decades, methicillin-resistant Staphylococcus aureus, or MRSA, has evolved from a controllable nuisance into a serious public health concern. MRSA is largely a hospital-acquired infection, in fact, one of the most common. Recently, however, new strains have emerged in the community that are capable of causing severe infections in otherwise healthy individuals.
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