The CD8+ T cell memory repertoire was also different in vaccinated pregnant women, showing the development of TEM, which are numerous in vaccinated pregnant women but not in healthy vaccinated adults or COVID-19-convalescent subjects; CD8+ T cells were TEMRA [13,28], further insuring potent, rapid, and long-lasting protection from possible new SARS-CoV-2 placental infections. The gene discussed is CD8A; the disease is COVID-19.