Department of Hygiene and Environmental Medicine, University Hospital Essen, University of Duisburg-Essen, 45147 Essen, Germany
Short Communication
Evaluating COVID-19 Vaccine Effectiveness: A Retrospective Test-negative Case-control Study across Pre-omicron and Omicron Periods
Author(s): Alxender Gouri*
DOI:
10.37421/2736-657X.2025.9.286
Virology: Current Research received 187 citations as per Google Scholar report
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