Leader

摘要

"A great day for science and humanity..." At last, there was some positive news this week of vaccine trials, with Pfizer and BioNTech announcing a success rate that exceeded all expectations, preventing 90% of people from contracting covid-19. There is now a real prospect that some kind of normality will return in the spring. Aside from the amazing speed at which an apparently effective vaccine has been developed, the timing of the announcement in the first week of England's second nationwide lockdown has meant the sense of relief and hope has been hard to contain.