Making the invisible visible: using national surveillance data to identify people experiencing homelessness in England with COVID-19. - Capelastegui, Fernando; Flannagan, Joe; Augarde, Elizabeth; Tessier, Elise; Chudasama, Dimple; Dabrera, Gavin; Lamagni, Theresa; Campos-Matos, Ines (Epidemiology & Infection, 2023)