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Table 3 Levels of antibodies against subunits of SARS-CoV-2 from donors of CP and recipients after CP infusion

From: Successful recovery of COVID-19-associated recurrent diarrhea and gastrointestinal hemorrhage using convalescent plasma

Antibodies Case 1 Donor Case 1 Recipient Case 2 Donor Case 2 Recipient
FI S/Co FI S/Co FI S/Co FI S/Co
IgM
 S-IgM 480,724 3.251 820,248 5.547 977,929 6.614 71,465 0.483
 RBD-IgM 523,293 1.951 1,825,435 6.805 1,114,862 4.156 349,693 1.304
 N-IgM 295,140 1.740 105,401 0.621 844,852 4.981 222,735 1.313
IgG
 S-IgG 1,338,844 10.949 4,699,322 38.430 2,106,545 17.227 21,736 0.178
 RBD-IgG 3,121,978 15.601 9,852,641 49.235 2,075,661 10.372 8946 0.045
 N-IgG 1,650,382 8.038 8,326,749 40.553 3,731,186 18.171 19,841 0.097
  1. CP Convalescent plasma, FI Fluorescent intensity, S/Co Signal to cut-off ratio, IgM Immunoglobulin M, S-IgM S protein specific immunoglobulin M, RBD-IgM Immunoglobulin M against surface spike protein receptor binding domain, N-IgM N protein specific immunoglobulin M, IgG Immunoglobulin G, S-IgG S protein specific immunoglobulin G, RBD-IgG Immunoglobulin G against surface spike protein receptor binding domain, N-IgG N protein specific immunoglobulin G