A population-based test-negative matched case control analysis of SARS-CoV-2 vaccine effectiveness among pregnant people in Ontario, Canada
Lapinsky SC, Baxter NN, Sutradhar R, Everett K, Porter J, Kwong JC, Fell DB, Snelgrove JW, Campbell DM, Simpson AN. J Obstet Gynaecol Can. 2023; Oct 13 [Epub ahead of print].