Twin peaks: The Omicron SARS-CoV-2 BA.1 and BA.2 epidemics in England: The Omicron SARS-CoV-2 BA.1 and BA.2 epidemics in England

Paul Elliott, Oliver Eales, Nicholas Steyn, David Tang, Barbara Bodinier, Haowei Wang, Joshua Elliott, Matthew Whitaker, Christina Atchison, Peter Diggle, Andrew J. Page, Alexander J. Trotter, Deborah Ashby, Wendy Barclay, Graham Taylor, Helen Ward, Ara Darzi, Graham S. Cooke, Christl A. Donnelly, Marc Chadeau-Hyam

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77 Citations (Scopus)

Abstract

Rapid transmission of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant has led to record-breaking incidence rates around the world. The Real-time Assessment of Community Transmission-1 (REACT-1) study has tracked SARS-CoV-2 infection in England using reverse transcription polymerase chain reaction (RT-PCR) results from self-administered throat and nose swabs from randomly selected participants aged 5 years and older approximately monthly from May 2020 to March 2022. Weighted prevalence in March 2022 was the highest recorded in REACT-1 at 6.37% (N = 109,181), with the Omicron BA.2 variant largely replacing the BA.1 variant. Prevalence was increasing overall, with the greatest increase in those aged 65 to 74 years and 75 years and older. This was associated with increased hospitalizations and deaths, but at much lower levels than in previous waves against a backdrop of high levels of vaccination.
Original languageEnglish
Article number1432
JournalScience
Volume376
Issue number6600
DOIs
Publication statusPublished - 24 Jun 2022
Externally publishedYes

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