Understanding epidemiological and clinical study designs is key to producing reliable health evidence. From descriptive reports to randomized trials, each design has unique strengths and limitations.

Regulators need to facilitate new ways of clinically validating COVID-19 vaccines now that effective shots are being given around the world, Thomas Triomphe, executive vice president of Sanofi Pasteur ...

Once you have determined your research question, the next step is to decide on a research design. As random assignment tends to be challenging in SoTL, most projects tend to fall into the ...

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