Now that MSRA, or methicillin-resistant staph, has taken the lead as America’s Worst Infection, killing more people annually than AIDS, it’s a good time to learn a little more about how to avoid it, how to identify it, and what to do if you suspect you have it. The New York Times offers a brief, helpful article about the topic, answering questions like “What can I do to lower my risk of catching it?” and “Where does it lurk?”