Sarvnaz Michel, a 28-year-old nurse who works in St. Jude Medical Center's COVID-19 unit, kisses her 6-month-old son, Arshan, while video chatting with her grandmother Tuesday, July 14, 2020, in Garden Grove, Calif. Michel's career has forced her to blur and blend her two lives. She agonizes over her every move in the hospital — "Did I put my gear on the right way, did I take it off the right way, did I touch something wrong accidentally?" — and locks her shoes in the car af…

August 17, 2020