Importance Head-to-head safety comparisons of the mRNA vaccines for SARS-CoV-2 are
needed for decision making; however, current evidence generalizes poorly to older adults …

Randomized clinical trials have shown mRNA-based vaccines to be 92–95% effective to
prevent COVID-19 in adults. We aimed to estimate the impact of vaccination on the risk of …

ABSTRACT The US Centers for Disease Control and Prevention (CDC) and other health
agencies have recently recommended a booster dose of COVID-19 vaccines for specific …

Importance Evidence describing the incidence of severe COVID-19 illness following
vaccination and booster with BNT162b2, mRNA-1273, and Ad26. COV2. S vaccines is …

Importance Effectiveness of mRNA vaccinations in a diverse older population with high
comorbidity is unknown. Objectives To describe the scope of the COVID-19 vaccination …

Introduction In 2020, prior to COVID-19 vaccine rollout, the Brighton Collaboration created a
priority list, endorsed by the World Health Organization, of potential adverse events relevant …

Background Monitoring safety outcomes following COVID-19 vaccination is critical for
understanding vaccine safety especially when used in key populations such as elderly …

Importance Recent reports on waning of COVID-19 vaccine–induced immunity have led to
the approval and rollout of additional doses and booster vaccinations. Individuals at …

Background Testing of vaccine candidates to prevent infection with severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) in an older population is important, since increased …

Objective COVID-19 disproportionately impacts residents in long-term care facilities. Our
objective was to quantify the presence and magnitude of antibody response in vaccinated …