Maria DiCaro wiped away tears as she talked about the challenges of her work. “It's nice to get those positive reactions from people that are very grateful, that they do see the purpose of what we're doing,” she said. Maria works as a contact tracer: one part nurse, one part detective, trying to keep track of where and how COVID-19 spreads in the community. She said she sometimes encounters resistance from the people she interviews. "I get people that lie all the time," she said.