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Donors characterization. (A) Neutralization capacity of circulating antibodies against the spike protein of SARS‐CoV‐2 assessed using a vesicular stomatitis virus pseudotyped with the SARS‐CoV‐2 Spike protein in both convalescent SARS‐CoV‐2 donors. (B) Example of the flow cytometry assessment of the anti‐SARS‐CoV‐2 T cell memory in donor 2. TNFα was selected as the read‐out, DMSO used as negative control and the CMV pp65 peptides and PMA/Ionomycin as positives controls
