Page 1/12 Effectiveness of BNT162b2 mRNA COVID-19 third vaccines during pregnancy: A national observational study in Israel Joshua Guedalia https://orcid.org/0000-0002-3458-7896 Michal Lipschuetz Hadassah Hebrew University Medical Center https://orcid.org/0000-0002-7370-0417 Ronit Calderon-Margalit 3Braun School of Public Health, Hadassah Medical Center, Faculty of Medicine of the Hebrew University of Jerusalem Sarah Cohen Hadassah-Hebrew University Medical Center https://orcid.org/0000-0001-6359-3729 Debra Goldman-Wohl Hadassah-Hebrew University Medical Center Tali Kaminer TIMNA-Israel Ministry of Health's Big Data Platform, Israel Ministry of Health Eli Melul TIMNA-Israel Ministry of Health's Big Data Platform, Israel Ministry of Health Galit Shefer TIMNA-Israel Ministry of Health's Big Data Platform, Ministry of Health Yishai Sompolinsky Hadassah-Hebrew University Medical Center Asnat Walｦsch Hadassah-Hebrew University Medical Center Simcha Yagel Hadassah Hebrew University Medical Center Ofer Beharier (  oferbeharier@gmail.com ) Hadassah-Hebrew University Medical Center, Article Keywords: Posted Date: July 21st, 2022 DOI: https://doi.org/10.21203/rs.3.rs-1834442/v1 License:   This work is licensed under a Creative Commons Attribution 4.0 International License. Read Full License