Impact of prior SARS-CoV-2 infection and COVID-19 vaccination on the subsequent incidence of COVID-19: a multicentre prospective cohort study among UK healthcare workers - the SIREN (Sarscov2 Immunity & REinfection EvaluatioN) study protocol.
Sarah WallaceVictoria HallAndré CharlettPeter D KirwanMichele ColeNatalie GillsonAna AttiJean TimeyinSarah FoulkesAndrew Taylor-KerrNick AndrewsMadhumita ShrotriSakib RokadiyaBlanche OgutiAmoolya VusirikalaJasmin IslamMaria ZambonTim J G BrooksMary RamsayColin S BrownMeera ChandSusan HopkinsPublished in: BMJ open (2022)
ISRCTN11041050.