In this April 16, 2020, photo Sonia Munoz, left, and Christopher Lumpkin, custody assistants, poses for a picture at the hospital ward of the Twin Towers jail in Los Angeles. Across the country first responders who’ve fallen ill from COVID-19, recovered have begun the harrowing experience of returning to jobs that put them back on the front lines of America’s fight against the novel coronavirus. (AP Photo/Chris Carlson)