<http://schema.org/description>
"Norovirus, a pathogen that often causes food poisoning and gastroenteritis, is the leading cause of infectious outbreaks in U.S. hospitals, researchers said."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Health_News/2012/02/03/Norovirus-causes-most-hospital-outbreaks/UPI-79201328322209/?rel=50871331878326>