Omicron BA.1-containing mRNA-1273 boosters compared with the original COVID-19 vaccine in the UK: a randomised, observer-blind, active-controlled trial

https://www.thelancet.com/journals/laninf/article/PIIS1473-3099(23)00295-5/fulltext?dgcid=hubspot_email_covidalerts&utm_campaign=covidalerts&utm_medium=email&_hsmi=263719363&_hsenc=p2ANqtz-_nRwSMyrH6XjPK-HDeulwoysAgkUQ2qo7fFVW3N4WBu3s8EDKMRTJt41TlvvpwZHhJtEjhZlqIMXNPOHNR4NU6tKg_VQ&utm_content=263697128&utm_source=hs_email