On any given day, about 1 in 31 hospital patients in the United States have at least one healthcare-associate infection. These infections lead to tens of thousands of deaths and cost the U.S. health care system billions of dollars each year. Hand hygiene is widely known to be the most important intervention for preventing healthcare-associated infections (HAIs), but healthcare worker compliance with optimal practices remains low in most settings. With new concerns about the spread of Coronavirus Disease 2019 (COVID-19), adherence to hand hygiene guidelines is crucial. As of January 1, 2018