Supplemental material, sj-pdf-1-jrs-10.1177_01410768231181268 for Trends in SARS-CoV-2 infection and vaccination in school staff, students and their household members from 2020 to 2022 in Wales, UK: an electronic cohort study by Emily Lowthian, Hoda Abbasizanjani, Stuart Bedston, Ashley Akbari, Laura Cowley, Richard Fry, Rhiannon K Owen, Joe Hollinghurst, Igor Rudan, Jillian Beggs, Emily Marchant, Fatemeh Torabi, Simon de Lusignan, Tom Crick, Graham Moore, Sheikh Aziz Ronan A Lyons in Journal of the Royal Society of Medicine