2021-04-02
Relationship between viral load, infection‐to‐delivery interval and mother‐to‐child transfer of <scp>anti‐SARS‐CoV</scp>‐2 antibodies
2021-04-02 • Liona C. Poon, Bo Wah Leung, Tean Ma, Florrie N. Y. Yu, Choi Wah Kong, T. Lo, Po Lam So, WC Leung, Wendy Shu, Ka Wang Cheung, Sakita Moungmaithong,...
ABSTRACT Objective To investigate the association of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) viral load and infection‐to‐delivery interval with maternal and cord serum concentrations of anti‐SARS‐CoV‐2 immunoglobulin G (IgG) antibodies and transplacental transfer ratio in pregnant women with active or recovered SARS‐CoV‐2 infection. Methods This was a prospective case series of consecutive pregnant women with laboratory‐confirmed SARS‐CoV‐2 infection between 27 March 2020 and 24 January 2021. …