Author(s): Johnson EK, Kahn R, Grad YH, Lipsitch M, Larremore DB|Journal: medRxiv| June 2021
Test-negative designs (TNDs) can be used to estimate vaccine effectiveness by comparing the relative rates of the target disease and…
Author(s): Kennedy-Shaffer L, Kahn R, Lipsitch M|Journal: medRxiv| May 2021
Determining policies to end the SARS-CoV-2 pandemic will require an understanding of the efficacy and effectiveness (hereafter, efficacy) of vaccines.…