The study in Lancet Child & Adolescent Health by Erika Molteni and colleagues1Molteni E Sudre CH Canas LS et al.Illness duration symptom profile symptomatic UK school-aged children tested for SARS-CoV-2.Lancet Adolesc Health. 2021; (published online Aug 3.)https://doi.org/10.1016/S2352-4642(21)00198-XSummary Full Text PDF PubMed Scopus (39) Google Scholar illustrates the potential challenges of...