COVID-19(37) children(18) Care(16) risk(15) positive(15) SARS-CoV-2(14) parent(13) Result(13) School(12) outcome(11) COVID-19 pandemic(11) Epidemiology(11) SARS-COV-2 infection(11) investigated(10) Asymptomatic(10) measure(10) COVID-19 infection(10) reported(10) Health(10) pandemic(9) Schools(8) healthcare(8) Community(8) England(8) Health services research(8) Support(8) tested(8) Analysis(8) benefit(8) hospital(8)