Maryn McKenna is an independent journalist and author who specializes in domestic and global public health, health policy and medicine. She writes for Wired.com, Scientific American, the Guardian, SELF, is a regular contributor to the Annals of Emergency Medicine and is the author of "Superbug" and "Beating Back the Devil." Her blog, Superbug, can be found at http://www.wired.com/wiredscience/superbug.