Have we been fighting a very different disease to China?
One of the great mysteries of coronavirus is how the epidemic has become much more severe in Europe and North America than in the Far East. A disease which appeared to be on the wane in China, South Korea and elsewhere in mid-February suddenly erupted with a vengeance in Europe in March, with death tolls quickly surpassing those in Wuhan. Various explanations have been offered: from the Chinese lying about the extent of cases and deaths to the difficulties of enforcing lockdowns and launching intrusive tracking and tracing strategies in western democracies. But then have we really been fighting the same disease? A pre-publication paper from a team at the
