Fig. 1.
Correlation between transplacental SARS-CoV-2 IgG antibody transfer ratio and duration from third COVID-19 vaccination to birth; r = 0.41, 95% CI 0.23 to 0.57, P < 0.001.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.