Journal of Infection
Effectiveness and waning of the fourth dose mRNA COVID-19 vaccines for the prevention of SARS-CoV2 infection related hospitalisations and deaths
By Xintong Li, Núria Mercadé-Besora, Amy Shuk-Man Lam and 10 others.
Abstract
Summary: Background: Real-world data studies suggest that the vaccine effectiveness (VE) of a fourth mRNA vaccine dose against SARS-CoV2 infection related hospitalisation wanes after a few months, potentially warranting consideration of additional booster doses.








