The Department of Epidemiology and Biostatistics Seminar Series welcomes Eric J. Tchetgen Tchetgen, PhD, University Professor, Professor of Biostatistics, Professor of Statistics in Data Science, ...
OBJECTIVESTo determine whether time elapsed since the second injection of the Pfizer-BioNTech BNT162b2 mRNA vaccine was significantly associated with the risk of covid-19 infection after vaccination ...
Background: The observational test-negative study design is used to estimate vaccine effectiveness against influenza virus infection. An important assumption of the test-negative design is that ...
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