A piece in the @nytimes today asserted that the UK “quietly updated its vaccination playbook to allow for a mix and match regimen".

This is both strictly true and entirely misleading. #mixandmatch #vaccine
Thread... https://t.co/JJEPf6By71

— Chris van Tulleken 🏳️‍🌈 (@DoctorChrisVT) January 2, 2021