Nature Communications (May 2022)
Comparative effectiveness over time of the mRNA-1273 (Moderna) vaccine and the BNT162b2 (Pfizer-BioNTech) vaccine
Abstract
In this retrospective cohort study, Islam et al. estimate the effectiveness of two mRNA-based COVID-19 vaccines in over 3.5 million fully vaccinated individuals and find no differences in vaccine effectiveness for protection against hospitalization, ICU admission, or death/hospice transfer.