“Superbug Strikes in City” sounds like a horror movie title, but instead it is a headline printed in the October 26, 2007, edition of the New York Post. Twelve days earlier a 12-year-old Brooklyn boy, Omar Rivera, died after a wound he received on the basketball court became infected with methicillin-resistant Staphylococcus aureus (MRSA), a bacterium that has become resistant to one of the most potent drug classes in the current antibiotic arsenal.