Jay Bhattacharya dismissed the test-negative design as 'crap.' The biostatistics literature tells a different story.

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, ...

In a recent study posted to the bioRxiv* server, researchers used a test-negative, case-control study design to estimate the effectiveness of prior infection in preventing reinfection with Omicron ...