Study registration: *
Publication Dagan N, Nat Med, 2021
Dates: 2020-12-20 to 2021-06-03
Funding: Public/non profit (Ivan and Francesca Berkowitz Family Living Laboratory Collaboration at Harvard Medical School, Clalit Research Institute; Morris-Singer Foundation)
Conflict of interest: Yes (Affiliations Clalit Research Institute, Innovation Division, Clalit Health Services, Tel Aviv, Israel: Noa Dagan, Noam Barda, Maya Makov-Assif & Ran D. Balicer)
Methods | |
Study design:Cohort Description of participants: Pregnant women, aged 16 years or older, in Israel Inclusion criteria:
Exclusion criteria:
Follow-up duration (months): 5.42 | |
Vaccines: |
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Variant description : |
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Variant name: Alpha Evidence: Indirect evidence (prevalence of variant in the population: 10 to 99%) | |
Documents available |
Protocol NR Statistical plan NR Data-sharing stated:
No |
General comment | Some concerns around uncontrolled confounding, possibility of informative censoring and (for infection and symptomatic disease outcomes) a possibility that propensity to get tested may depend on vaccination status. |