Blackstone, James; Stirrup, Oliver; Mapp, Fiona; Panca, Monica; Copas, Andrew; Flowers, Paul; Hockey, Leanne; Price, James; Partridge, David; Peters, Christine; +5 more... De silva, Thushantha; Nebbia, Gaia; Snell, Luke B; McComish, Rachel; Breuer, Judith; COVID-19 Genomics UK (COG-UK) Consortium; (2022) Protocol for the COG-UK hospital-onset COVID-19 infection (HOCI) multicentre interventional clinical study: evaluating the efficacy of rapid genome sequencing of SARS-CoV-2 in limiting the spread of COVID-19 in UK NHS hospitals. BMJ open, 12 (4). e052514. ISSN 2044-6055 DOI: https://doi.org/10.1136/bmjopen-2021-052514