CD79A and infection: High titers of IgA antibodies are considered desirable for the clinical efficacy of vaccines because they are reported to possess anti‐inflammatory activity, and are more effective than IgG in neutralizing the SARS‐CoV‐2 virus in the early stages of infection.[55] Moreover, IgA is the predominant antibody isotype at mucosal surfaces and plays a crucial role in protecting against transmission of respiratory pathogens.[56]