Hardelid, P., Favarato, G., Wijlaars, L., Fenton, L., McMenamin, J., Clemens, T., Dibben, C., Milojevic, A., MacFarlane, A., Taylor, Jonathon, Cunningham, S. & Wood, R. 2022, 'Risk of SARS-CoV-2 testing, PCR-confirmed infections and COVID-19 - related hospital admissions in children and young people: birth cohort study'. To be published in MedRxiv [Preprint]. Available at: https://doi.org/10.1101/2021.12.17.21267350