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. 2020 Nov 4;183(7):1901–1912.e9. doi: 10.1016/j.cell.2020.10.049

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Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

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Figure S1 — ELISA Titers against the SARS-CoV-2 RBD, Related to Figure 2

(A) IgG titers against SARS-CoV-2 receptor binding domain (RBD) were determined in ELISA on convalescent plasma used for transfusion. The light gray bar is the IgG titer of the fist donor (convalescent plasma 1) and the dark gray is the second donor (convalescent plasma 2). (B) IgG titers against SARS-CoV-2 (RBD) were determined in ELISA on patient serum collected on several time points, including immediately before and after transfusion with convalescent plasma at day 71 (light gray) and day 82 (dark gray). Each serum/plasma sample was tested in duplicate.