One of the most impressive features of a quick service restaurant (QSR) is the unrivalled customer turnover in a day. According to the Centers for Disease Control and Prevention (CDC), from 2013 to 2016 roughly one third of adults consumed fast food on a given day. Coupled with the fact that 95 percent of people fail to wash their hands well enough to kill harmful bacteria, many surfaces and frequently handled items such as tables and payment terminals are subject to hundreds of fingers, sneezes and other potential sources for germs.