SAN DIEGO--(BUSINESS WIRE)--PURE Bioscience (OTCBB:PURE) today announced it has developed a new antimicrobial product based on its patented silver dihydrogen citrate (SDC) molecule that provides the first 24-hour residual protection against norovirus. The highly concentrated product, Cruise Control™, is designed to be mixed with water at the point of use to create a non-toxic hard surface antimicrobial. Cruise Control™ will be marketed to the cruise ship industry, which in recent years has suffered significant economic and reputation damage as a result of common and well-publicized outbreaks of norovirus, or “stomach flu.”