VA HCS Phoenix Update 24 ► Portable Room Disinfection System Deployed The Phoenix VA Health Care System is the first hospital in Arizona to deploy Xenex Germ-Zapping Robots to destroy deadly germs and bacteria lurking on hospital surfaces that can cause hospital acquired infections. The portable room disinfection system utilizes pulsed xenon UV light and is effective against even the most dangerous superbugs including MRSA,Clostridium difficile (C. diff), VRE, norovirus and influenza. Additionally, the robots have been proven effective against both the Ebola virus and Anthrax. A live demonstration of the new Germ Zapping Robot was held on 14 SEP, at the Carl T. Hayden VA Medical Center in Phoenix for local media.