Covid-19: Jonathan Van-Tam defends speed of booster rollout despite his concern over rising Covid death toll

England’s deputy chief medical officer, Professor Jonathan Van-Tam, has defended the Government’s Covid booster programme after i analysis found the scheme is running so late it may not be completed until February. He said the booster scheme is picking up “considerable momentum” and suggested limited NHS capacity is preventing a more rapid roll-out of the third doses. But the leading scientific expert warned the Christmas period could be “potentially problematic”.