Objectives To estimate the marginal effectiveness of a fourth versus third dose and the
vaccine effectiveness of mRNA covid-19 vaccines BNT162b2 and mRNA-1273 against any …

Data from hepatitis B1 and influenza vaccination2 studies indicate blunted and
foreshortened response to immunization in patients receiving dialysis, raising the worrisome …

Large clinical trials have proven the efficacy of the COVID-19 vaccine, and the number of
studies about the effectiveness rapidly grew in the first half of the year after mass vaccination …

Background As vaccine supply and access remain limited in many parts of the world,
understanding the duration of protection from reinfection after natural infection is important …

Sex differences in the immune system are dynamic throughout the lifespan and contribute to
heterogeneity in the risk of infectious diseases and the response to vaccination in older …

Prioritizing Ontario's long-term care home (LTCH) residents for vaccination against severe
acute respiratory syndrome coronavirus 2 has drastically reduced their disease burden; …

Antibody decline occurred from 2 weeks to 6 months post-BNT162b2 mRNA vaccination in
nursing home (NH) residents and healthcare workers. Antispike, receptor-binding domain …

Abstract Background The BNT162b2 SARS-CoV-2 mRNA vaccination has mitigated the
burden of COVID-19 among residents of long-term care facilities considerably, despite being …

ABSTRACT In October 2020, the National Cancer Institute (NCI) Serological Sciences
Network (SeroNet) was established to study the immune response to COVID-19, and “to …

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 …