Could a Covid vaccine bring back normality?
With test and trace a shambles, many are pinning their hopes on a jab. But experts warn more measures will be needed to vanquish coronavirus
England is back in lockdown. It happened not a moment too soon. As of 2 November almost three-quarters of a million new cases have been officially counted since 21 September, when the government's scientific advisory committee Sage advised lockdown. On that day, Britain had only had about 360,000 cases since Covid arrived. Now the figure is three times that. So many more cases mean it will take longer, and possibly require tougher social restrictions, to get numbers down by imposing lockdown than it would have in September, says James Naismith, head of the Rosalind Franklin Institute in Oxford.
Naismith calculates that we will have 500 deaths per day in two to three weeks because of the cases that occurred over the past week, compared with an average of 144 in the week ending 2 November. But it could be far worse. If we had done nothing for another two weeks, he says, we'd be looking at 1,000 deaths a day by Christmas - and more, if hospitals fill up and not everyone can get optimal treatment.
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