Coronavirus pandemic: Why washing your hands is so important

Throughout the coronavirus pandemic, the advice has remained the same -- wash your hands! But why is it such an important tip?
Glo Germ is a gel that contains plastic simulated germs, not real ones. You rub it in like lotion and you can't see it until you put your hands under a blacklight. 
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The Glo Germ illuminates and helps show the effectiveness of washing your hands. 
News 12’s Kristie Reeter takes a look under the blacklight, with and without Glo Germ on.