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US health officials nix publication of a study on Covid vaccine effectiveness - NBC News
Overview
U.S. health officials stopped publication of an internal study on vaccine effectiveness, citing methodological concerns; that analysis was later published in a peer‑reviewed journal and reported roughly 50% fewer emergency visits and about 55% fewer hospitalizations. ABC News’s coverage framed the sequence as part of broader worries that withholding such reports undermines public trust and clarity about vaccine benefits.
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ORGNBC NewsORGCenters for Disease Control and Prevention (CDC)ORGU.S. health officialsLOCUnited States
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