Fig 1.

Key events linked to SARS-CoV-2 infections in children and adolescents during study period July 2020 to February 2022. From top panel to bottom panel: SARS-CoV-2 prevalence in children and adolescents reported by ONS survey; number of first ascertained SARS-CoV-2 infections derived from the current study data; number of first ascertained SARS-CoV-2 associated hospital admissions derived from current study data; hospital admission rate of participants with SARS-CoV-2 infection calculated using prevalence of ascertained first infections derived from current study data; number of first ascertained SARS-CoV-2 associated hospital admissions requiring ICU or HDU care. Top panel presents according to ONS data availability and reported confidence intervals (shaded areas); the other panels show 14 day rolling averages of daily counts. CMO=Chief Medical Officer; HDU=high dependency unit; ICU=intensive care unit; JCVI=Joint Committee on Vaccination and Immunisation; MHRA=Medicines and Healthcare Products Regulatory Agency; ONS=Office for National Statistics; PCR=polymerase chain reaction