Credit: ian west/pa SIR – If the Astra-Zeneca vaccine offers limited protection (preventing death or hospitalisation) against the South African coronavirus variant, and the variant becomes a dominant strain in Britain in coming weeks, what does that mean for the lifting of restrictions? Are we forever to be condemned to the purgatory of Tantalus? Michael Cooper
SIR – Where does it leave an employer if ethnic minority employees refuse or have refused the Covid vaccine ? The implications for race relations are horrendous, let alone the legal issues relating to employment. Graham White
SIR – Nadhim Zahawi says that “vaccine passports” are not the way we do things in the UK.