Alcohol-based hand sanitizers may not be the panacea for hand hygiene they were once supposed, as mounting research indicates they may not be effective substitutes for soap and water, and in some cases may actually increase the risk for outbreaks of highly contagious viruses in health care settings.
Ian Goodfellow, a prominent researcher at England's University of Cambridge, calls norovirus "the Ferrari of viruses" for the speed at which it passes through a large group of people.
Wash your hands frequently with hot water and soap, use bleach in bathrooms and around sinks...
cdc.gov/mmwr/preview/mmwrht...
cmaj.ca/content/183/12/E799...