IFNA1 and infection: We acquired CMI to SARS-CoV-2 S and NC peptides from 549 individuals recruited 62 to 386 days post infection from November 16th 2020 to April 28th 2021 and analyzed IFN-ɣ concentration in blood samples stimulated with either a negative (buffer) or positive (mitogen stimulation) control (Figures 1A, B).