CD79A and long COVID-19: By plotting IFN-λ 2/3 levels with the levels of IgA anti-N, we found a strong significant correlation in PASC patients, but not with non-PASC patients (r(62) = 0.49 and p < 0.0001 for PASC and r(65) = 0.013 and p = 0.50 for non-PASC; Fig. 7E).