Evaluating the dynamics of hospital COVID-19 contacts and subsequent conversion to SARS-CoV-2 infection: a multi-centre retrospective cohort study

Nneoma Okeke, Luke Blagdon Snell, Balram Rathish, Amal Hussein, William Newsholme, Damien Mack, Aodhan Breathnach, Jonathan A. Otter

Research output: Contribution to journalArticlepeer-review


We investigated the dynamics of COVID-19 contacts subsequent conversion to SARS-CoV-2 infection in an inpatient setting across three National Health Service (NHS) Trusts. 9.2% (476/5,156) COVID-19 contacts met inclusion criteria, were typable and tested positive for COVID-19. There was no significant difference between Omicron and non-Omicron contacts overall conversion proportions. Omicron contacts converted faster than non-Omicron contacts (median 3 days vs 4 days, p = 0.03), and had significantly greater proportions of early conversions at day 3, 5, and 7 timepoints.
Original languageEnglish
JournalInfection prevention in practice
Early online date10 Nov 2023
Publication statusE-pub ahead of print - 10 Nov 2023

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