First baby in U.S. born with antibodies against COVID-19 after mom receives dose of Moderna vaccine

3/31/2021
First baby in U.S. born with antibodies against COVID-19 after mom receives dose of Moderna vaccine while pregnant

At 36 weeks pregnant, a South Florida frontline health care worker received her first shot of the Moderna COVID-19 vaccine. She gave birth three weeks later to a healthy baby girl — with COVID-19 antibodies.

They found that the antibodies were detected at the time of delivery, after analyzing blood from the baby's umbilical cord taken immediately after birth and before placenta delivery.

"We have demonstrated that SARS-CoV-2 IgG antibodies are detectable in a newborn's cord blood sample after only a single dose of the Moderna COVID-19 vaccine," they concluded. "Thus, there is potential for protection and infection risk reduction from Sars-CoV-2 with maternal vaccination."

The doctors emphasize, however, that more research is needed to verify the safety and efficacy of the coronavirus vaccines during pregnancy.

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