A Study to Evaluate the Immunogenicity and Safety of Omicron Variant Vaccines in Comparison With mRNA-1273 Booster Vaccine for COVID-19

Aberdeen Royal Infirmary - PPDS, Aberdeen

Southmead Hospital, Bristol

Wansford and Kingscliffe Practice, Wansford

Halton General Hospital, Runcorn

The James Cook University Hospital, Middlesbrough

Royal Cornwall Hospital, Truro

Royal Devon and Exeter Hospital NHS Trust, Exeter

Royal Bournemouth Hospital, Bournemouth

Gloucester Royal Hospital, Gloucester

Portsmouth Research Hub, Portsmouth

Fylde Coast Clinical Research, Blackpool

Leicester General Hospital, Leicester

Salford Royal Hospital - PPDS, Salford

University College London Hospitals Covid-19 Vaccine Centre, London

Castle Hill Hospital, Hull

The Princess Royal Hospital, Telford

Royal United Hospital, Bath

Sheffield/Northern General Hospital, Sheffield

Royal Glamorgan Hospital - PPDS, Pont-y-clun

Bradford Institute for Health Research, Bradford

Great Western Hospital, Swindon

Queen Elizabeth Hospital, Birmingham

Barts Hospital, London

Royal Free Hospital, London

Kings College Hospital, London

Chelsea and Westminster Hospital, London

St. George's Hospital, London

Royal Victoria Infirmary, Newcastle upon Tyne

Derriford Hospital, Plymouth