There’s clean. And then there’s Jasper Norwood clean, a brand of immaculate cleanliness aimed at thwarting an invisible pathogen. Norwood is the supervisor of a team of 11 custodial workers who scrub and clean the rooms in Riker Hall, a University of Florida residence hall, where students who have been in close contact with someone who has tested positive for the novel coronavirus are temporarily quarantined. Norwood’s crew provides a deep cleaning to rooms when someone’s quarantine ends and the space becomes available for the next student. That’s on top of their normal responsibilities of cleaning common areas like bathrooms and lounges in a group of five residence buildings: Riker, East, North, Weaver and Tolbert halls. It’s demanding work, largely unheralded and unsung, that nonetheless is an important cog in the machinery of disease prevention that is helping stop the progression of coronavirus infection at UF. “It’s our job to make sure students are safe and to make sure their...