A brand new trial has been introduced that may have a look at whether or not a booster vaccine will shield towards new variants.
All seven vaccines the UK has ordered will be examined on working-age folks and over-75s as a part of a randomised trial.
The findings will assist vaccine advisers resolve if re-vaccinating some folks in the autumn is important.
The research, which prices £19.3 million, is being funded by the federal government and led by the University Hospital Southampton NHS Foundation Trust.
Speaking at Downing Street, the Health Secretary, Matt Hancock, mentioned the trial would assist to guarantee “vaccines keep forward of the virus.”