Fell DB, Torok E, Sprague AE, Regan AK, et al. Temporal trends and determinants of COVID-19 vaccine coverage and series initiation during pregnancy in Ontario, Canada, December 2020 to December 2021: A population-based retrospective cohort study. Vaccine 2023 Feb 3:S0264-410X(23)00114-7. doi: 10.1016/j.vaccine.2023.
PMID: 36759282