Special Education

Vaccine effectiveness of the first dose of ChAdOx1 nCoV-19 and BNT162b2 against SARS-CoV-2 infection in residents of long-term care facilities in England (VIVALDI): a prospective cohort study

SummaryBackgroundThe effectiveness of SARS-CoV-2 vaccines in older adults living in long-term care facilities is uncertain. We investigated the protective effect...

Effectiveness of BNT162b2 and ChAdOx1 nCoV-19 COVID-19 vaccination at preventing hospitalisations in people aged at least 80 years: a test-negative, case-control study

IntroductionSARS-CoV-2 has resulted in a global pandemic with over 153 954 491 cases and 3 221 052 deaths as of May 6, 2021.1WHOWHO coronavirus...