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Effectiveness of 2024–2025 COVID-19 Vaccination Against COVID-19 Hospitalization and Severe In-Hospital Outcomes — IVY Network, 26 Hospitals, September 1, 2024–April 30, 2025

2025-09-03

Abstract excerpt

<h4>Importance</h4> As SARS-CoV-2 JN.1 lineage descendants continue to evolve, evaluating COVID-19 vaccine effectiveness (VE) against severe COVID-19 is necessary to inform vaccine composition updates. <h4>Objective</h4> To estimate effectiveness of 2024–2025 COVID-19 vaccines against COVID-19– associated hospitalizations and severe in-hospital outcomes overall and by time since dose (7– 89, 90–179, and ≥180 day...

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Literature Corpus work
637c65f4-c444-56a8-b66a-7e27aaf7c83c
DOI
10.1101/2025.08.29.25334612
Open publication

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Effectiveness of 2024–2025 COVID-19 Vaccination Against COVID-19 Hospitalization and Severe In-Hospital Outcomes — IVY Network, 26 Hospitals, September 1, 2024–April 30, 2025DOI 10.1101/2025.08.29.25334612
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