3 papers
stat.ME2026
How should we select test-negative controls? A causal perspective in the era of multiplex respiratory testing
Christopher B. Boyer, Kendrick Qijun Li, Xu Shi +2
The test-negative design (TND) is widely used to estimate vaccine effectiveness (VE) for respiratory pathogens by comparing vaccination odds among test-positive cases versus test-n…
q-bio.PE2025
Defining and Estimating Outcomes Directly Averted by a Vaccination Program when Rollout Occurs Over Time
Katherine M. Jia, Christopher B. Boyer, Alyssa Bilinski +1
During the COVID-19 pandemic, estimating the total deaths averted by vaccination has been of great public health interest. Instead of estimating total deaths averted by vaccination…
stat.ME2025
Identification and estimation of vaccine effectiveness in the test-negative design under equi-confounding
Christopher B. Boyer, Kendrick Qijun Li, Xu Shi +1
The test-negative design (TND) is widely used to evaluate vaccine effectiveness in real-world settings. In a TND study, individuals with similar symptoms who seek care are tested,…