CD79A and infection: This observation reflects that of Okba et al.1However, it is in contrast to a previous study that showed a higher sensitivity of the Anti‐SARS‐CoV‐2 IgG compared to the Anti‐SARS‐CoV‐2 IgA ELISA in patient samples taken later than fourteen dpso,19 whereby the discrepancy might be due to heterogeneous definitions regarding the early phase of infection.