These data suggest, that intestinal viral pools of SARS-CoV2 might instigate a stable long-term production of neutralizing anti-viral IgA antibodies, whereas IgM and IgG levels of anti-SARS-CoV2 antibodies targeting the SARS-CoV-2 spike protein receptor binding are decreasing 6 month post infection.38 The longer persistence of IgA might be especially relevant for lasting immune responses since IgA dimers were found to have a potency to neutralize SARS-CoV2.53 The gene discussed is CD79A; the disease is infection.