When will Britain's Covid lockdown be lifted? Three scenarios

At best, vaccines and lockdown could make life more normal by May. But at worst, a new mutation could undo any progressCoronavirus – latest updatesSee all our coronavirus coverageHopes are rising that Britain may soon put the worst of Covid-19 behind it. After a year in which the disease has paralysed the nation, killed more than 100,000 people, closed schools and universities, and brought the NHS to its knees, there are now signs of hope emerging.Most optimism stems from Britain’s v