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