Pfizer and Moderna Vaccines Protect Pregnant Women and Newborns Studies on the Pfizer and Moderna vaccines show that the Covid-19 vaccine based on messenger RNA (mRNA) is effective in protecting pregnant women, nursing mothers and newborns. Pfizer-BioNTech and Moderna’s Covid-19 vaccines, according to a study published in American Journal of Obstetrics and Gynecology, provides protective antibodies in newborns. Researchers at Massachusetts General Hospital, … Read more