Those of you who (like me) took medical microbiology 10 or more years ago might have a thing or two to learn about where the most risk comes from in hospital infections, according to Maryn McKenna, senior fellow at the Schuster Institute for Investigative Journalism here at Brandeis. In a recent article “Clean Sweep” in Scientific American, McKenna discusses the rise of  drug resistant organisms (e.g. vancomycin-resistant enterococci) that survive well on surfaces (keyboards, bed rails, and other hospital surfaces).