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Efficient maternofetal transplacental transfer of anti- SARS-CoV-2 spike antibodies after antenatal SARS-CoV-2 BNT162b2 mRNA vaccination

Amihai Rottenstreich, Gila Zarbiv, Esther Oiknine-Djian, Roy Zigron, Dana G Wolf, Shay Porat
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Resumen

Maternal and cord blood sera were collected from 20 parturients who received the BNT162b2 vaccine. All women and infants were positive for anti S- and anti-RBD-specific IgG. Cord blood antibody concentrations were correlated to maternal levels and to time since vaccination. Antenatal SARS-CoV-2 vaccination may provide maternal and neonatal protection.

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Palabras clave pregnancy, vaccination, cord blood, serology, SARS-CoV-2
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Publicado en el sitio 2021-04-22 16:20:32

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