If you decide you want to take part, you should read the full Participant Information Sheet (COVHIC003_PIS_V2.1_10JUL2026) and then complete the pre-screening questionnaire below for your chosen screening site.

Register at Imperial College Healthcare NHS Trust

Imperial College Healthcare NHS Trust

Register at Imperial College Healthcare NHS Trust

Imperial Pre-Screening Questionnaire

Guy's and St Thomas' NHS Foundation Trust

Register at Guy's and St Thomas' NHS Foundation Trust

RECRUITMENT PAUSED: Guy's and St Thomas' Pre-Screening

Register

University of Oxford

Register at University of Oxford

Oxford Pre-Screening Questionnaire

University Hospital Southampton NHS Trust (opening soon!)

Register at University Hospital Southampton NHS Trust

NOT YET RECRUITING: Southampton Pre-Screening Questionnaire