: As the COVID-19 pandemic wanes, understanding maternal-fetal antibody transfer remains crucial for optimizing vaccination strategies. This study evaluates anti-SARS-CoV-2 antibody levels in amniotic fluid following maternal BNT162b2 mRNA vaccination and/or COVID-19 infection during early pregnancy, focusing on the first and second trimesters.
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Sgayer et al. (2024) studied this question.
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