Maternal Immunization Against SARS-CoV-2 and Infant Immunity Persistence in a Brazilian Cohort.
Journal: The Pediatric Infectious Disease Journal
Published:
Abstract
From January 2021 to March 2022, we studied antibody transfer and persistence in infants of SARS-CoV-2-infected or vaccinated pregnant women in Brazil. Third-trimester vaccination increased maternal anti-S immunoglobulin G, correlating with cord and infant levels at 6 months. Neutralizing antibody were detected only in vaccinated mothers and cord blood, persisting in only 2 infants at 6 months.
Authors
Letícia Régia Cavalcante, Deniele Lós, Natália Fiorenza, Renata Kehdi, Maria Francilene Silva, Marylane Da Viana, Isabel Leite, Francisco Herlânio Carvalho, Germana Vasconcelos, Fabio Miyajima, Veridiana Miyajima, Marcela Helena Fonseca, Remo Russo, Danielle Macedo