A cross-reactive human IgA monoclonal antibody blocks SARS-CoV-2 spike-ACE2 interaction by Ejemel, M, Li, Q, Hou, S, Schiller, ZA, Tree, JA, Wallace, A, Amcheslavsky, A, Kurt Yilmaz, N, Buttigieg, KR, Elmore, MJ, Godwin, K, Coombes, N, Toomey, JR, Schneider, R, Ramchetty, AS, Close, BJ, Chen, D-Y, Conway, HL, Saeed, M, Ganesa, C, Carroll, MW, Cavacini, LA, Klempner, MS, Schiffer, CA, Wang, Y