A small, but worrisome number of facelift patients became infected with the antibiotic-resistant staph infection known as MRSA, a new study reports. About one half of 1 percent of people undergoing facelifts developed the so-called "superbug" methicillin-resistant Staphylococcus aureus infection, doctors from Lennox Hill-Manhattan Eye, Ear, and Throat Hospital in New York City reported.