COVID-19(8) pandemic(6) Symptom(6) Neonatal(5) collected(5) Sepsis(5) positive(5) symptomatic(5) coronavirus disease(5) evaluated(5) Transmission(5) Neonate(5) Patient(5) retrospective(5) pregnant women(5) standard treatment(3) Care(3) treated(3) confirmed COVID-19 case(3) nonpregnant(3) was done(3) serum(3) COVID-19 infection(3) Evidence(3) surgery(3) retrospective cohort study(3) outbreak(3) described(3) healthcare personnel(3) infected with COVID-19(3)