Article

Assessing the Impact of the Healthy Vaccinee Effect on COVID-19 Vaccine Effectiveness Estimates

2026-01-03

Abstract excerpt

<h4>Background</h4> Health status influences uptake of COVID-19 vaccination, with vaccinated individuals generally being healthier than their unvaccinated counterparts. However, the extent to which this healthy vaccinee effect biases vaccine effectiveness estimates remains unclear. This study investigated how different levels of the healthy vaccinee effect may impact these estimates. <h4>Methods</h4> Three natio...

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Literature Corpus work: 5821f019-6102-5aa1-9a17-b0d88861a88c
DOI: 10.64898/2026.01.02.26343330

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