Answers are grounded in this paper and cite their sources.
In this study involving participants who were 60 years of age or older and had received two doses of the BNT162b2 vaccine at least 5 months earlier, we found that the rates of confirmed Covid-19 and severe illness were substantially lower among those who received a booster (third) dose of the BNT162b2 vaccine.
No takes yet. Share an insight, caveat, or question.
Bar‐On et al. (2021) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: