UK's daily Covid cases keep rising: Infections jump by a third in a week to 4,330 and 12 more deaths are recorded - a day after UK hit zero deaths – but three-quarters of all adults have one dose of vaccine Covid cases have exceeded 4,000 for the second day in less than a week — the last time before was April 1 Deaths with Covid have increased by a third on last Wednesday's figure after dipping to zero yesterday Vaccine first doses reached more than 75 per cent of the population yesterday with some 108,607 rolled out