COVID-19 Case Age Distribution: Correction for Differential Testing by Age

Despite expected initial universal susceptibility to a novel pandemic pathogen like SARS-CoV-2, the pandemic has been characterized by higher observed incidence in older persons and lower incidence in children and adolescents.To determine whether differential testing by age group explains observed variation in incidence.Population-based cohort study.Ontario, Canada.Persons diagnosed with SARS-CoV-2 and those tested for SARS-CoV-2.Test volumes...