Covid door-to-door tests rolled out in Bristol and Liverpool as new mutations detected, Hancock says Latest 2 Feb 2021, 13:57 Updated: 2 Feb 2021, 18:29 Invalid Date, DOORSTEP Covid testing will be extended to two more areas after new Covid mutations were identified, the Health Secretary said. Matt Hancock told MPs that 11 cases of "mutations of concern" have been detected in Bristol with another 32 found in Liverpool. 9
9 Doorstep testing will be ramped up in areas where cases of the South African variant have been detected Credit: Reuters It comes amid fears that the virus is mutating to evade the immune response - and vaccines. The South African variant - and another in Brazil that is yet to be detected in the UK - have caused concerns due to a mutation known as the E484K mutation.