CD79A and COVID-19: 12, remains to be defined. It is alsoimportant to understand the potential of passive immunity from mother to child duringpregnancy and by breast milk intake. Specific IgA antibodies have been found in 12 of 15breast milk samples, for example, from different women who had COVID‐19,51 and further research is needed to ascertain the protective capacity and theduration of these antibodies.