Health care worker seromonitoring reveals complex relationships between common coronavirus antibodies and COVID-19 symptom duration oleh Sigrid Gouma, Madison E. Weirick, Marcus J. Bolton, Claudia P. Arevalo, Eileen C. Goodwin, Elizabeth M. Anderson, Christopher M. McAllister, Shannon R. Christensen, Debora Dunbar, Danielle Fiore, Amanda Brock, JoEllen Weaver, John Millar, Stephanie DerOhannessian, The UPenn COVID Processing Unit, Ian Frank, Daniel J. Rader, E. John Wherry, Scott E. Hensley