finding(26) funding(25) COVID-19(24) SARS-CoV-2(16) pandemic(13) reported(12) COVID-19 pandemic(10) National(10) age(10) risk(8) group(8) individual(7) groups(7) Community(7) Vaccine(7) healthcare(7) analysed(6) Surveillance(6) Patient(6) incidence(6) public health(6) Spread(6) foundation(6) Factor(6) lockdown(6) cohort study(6) 95% CI(6) FIVE(6) vaccination(6) Characteristics(6)