Munro APS, Janani L, Cornelius V, Aley PK, et al. Safety and immunogenicity of seven COVID-19 vaccines as a third dose (booster) following two doses of ChAdOx1 nCov-19 or BNT162b2 in the UK (COV-BOOST): a blinded, multicentre, randomised, controlled, phase 2 trial. Lancet 2021 Dec 2. pii: S0140-6736(21)02717.
PMID: 34863358