OBJECTIVESTo determine whether time elapsed since the second injection of the Pfizer-BioNTech BNT162b2 mRNA vaccine was significantly associated with the risk of covid-19 infection after vaccination ...
"In this study, the 2023-2024 COVID-19 vaccines were associated with fewer cases of medically attended COVID-19, with more robust outcomes for critical illness; however, VE waned over time, supporting ...
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