Now AstraZeneca could be banned for under-40s: Younger Britons will be offered alternative Covid jabs over links to blood clots, source claims
Advisers are understood to have written to Health Secretary Matt Hancock suggesting the move after more adults suffered side effects
Experts believe risk of clotting now outweighs that of Covid in younger adults
UK is understood to have enough supplies of alternative vaccines to offer all adults a first dose by July 31 target