For pregnant people, three doses of an mRNA COVID-19 vaccine resulted in 10-fold higher antibody levels in umbilical cord samples of preterm and full-term deliveries compared with only two doses, a prospective cohort study showed.
Geometric mean concentration of cord SARS-CoV-2 anti-Spike (anti-S) antibodies increased from 1,000 after two doses of vaccine to 9,992 for those who received three or more doses (P
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