Over- and under-estimation of vaccine effectiveness

Abstract Background The effectiveness of SARS-CoV-2 vaccines against infection has been a subject of debate, with varying results reported in different studies, ranging from 60–95% vaccine effectiveness (VE). This range is striking when comparing two studies conducted in Israel at the same time, as...

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Bibliographic Details
Main Authors: Hilla De-Leon, Dvir Aran
Format: Article
Language:English
Published: BMC 2025-07-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:https://doi.org/10.1186/s12874-025-02611-4
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