England’s Covid lockdown lifting: is a four-week delay enough?

Analysis: Even a short pause is expected to reduce the number of people going to hospital as more people are vaccinatedPM announces delay to lockdown easingWhat we know about the delayThe roadmap out of lockdown – England’s strategy to return to a life more normal – was heavy on dates from the start. The first three steps, in March, April and May, passed so smoothly that a crucial point was easily forgotten: reopening rested on data, not dates, at least that was what scientific