People could be asked to show a vaccine passport in order to attend a big event or go to work under plans being considered by the government.
The road map out of lockdown includes a review of whether Covid-19 certificates “could play a role in reopening our economy”.
It comes after weeks of ministers having downplayed such a policy. Nadhim Zahawi, the vaccines minister, called the idea wrong and discriminatory in comments endorsed by Downing Street less than a fortnight ago.
The review’s findings will be published before the last of Boris Johnson’s four steps to reopening the economy, which will be no earlier than June 21.
The road map states that the review will address whether certificates would be effective in reducing risk