COVID-19(17) coronavirus disease(17) coronavirus(11) acute respiratory syndrome(11) SARS-CoV-2(11) Pregnancy(10) positive(9) tested(8) vaccination(7) Blood(7) Coronavirus disease 2019(7) immune response(7) first dose(7) enrolled(6) cough(5) 95% CI(5) evaluate(5) age(5) Course(5) SARS-COV-2 infection(5) women(5) collected(5) messenger(4) passage(4) induce(4) pregnant(4) RNA(4) antibody transfer(4) robust(4) monoclonal antibody(4)