PSMD1 and influenza: Finally, we tested the suitability of the platformfor simultaneousdetection of anti-SARS-CoV-2 and anti-influenza antibody response.PICs were derivatized with influenza A and B hemagglutinins (HA),and WT SARS-CoV-2 antigens RBD, N, and S1+S2, and tested with twosingle-donor human serum samples.