Comparison of the test-negative design and cohort design with explicit target trial emulation for evaluating Covid-19 vaccine effectiveness.

Author(s): Li G, Gerlovin H, Figueroa Muñiz MJ, Wise JK, Madenci AL, Robins JM, Aslan M, Cho K, Gaziano JM, Lipsitch M, Casas JP, Hernán MA, Dickerman BAJournal: EpidemiologyPMID: 38109485 March 2024
Observational studies are used for estimating vaccine effectiveness under real-world conditions. The practical performance of two common approaches - cohort…