Vaccinated Pregnant Women Pass Protection to Babies in Study (2)

Pregnant women who get mRNA vaccines pass high levels of antibodies to their babies, according to a study published in American Journal of Obstetrics & Gynecology – Maternal Fetal Medicine on Wednesday.

The study -- one of the first to measure antibody levels in umbilical cord blood to distinguish whether immunity is from infection or vaccines -- found that 36 newborns tested at birth all had antibodies to protect against Covid-19 after their mothers were vaccinated with shots from Pfizer Inc.-BioNTech SE or Moderna Inc.

“We didn’t anticipate that. We expected to see more variability,” said Ashley ...