COVID-19(62) older people(54) Older(47) Care(34) SARS-CoV-2(33) frailty(25) vaccination(22) risk(18) Result(18) death(17) Mortality(17) care homes(16) positive(16) clinical(14) Infection(13) with COVID-19(12) COVID-19 infection(12) individuals(12) outbreak(12) SARS-COV-2 infection(12) pandemic(12) Vaccine(11) significantly higher(11) age(11) scale(11) outcome(11) Patient(11) older people.(11) Symptom(11) association(11)