Being the first country to be affected by the corona virus pandemic, to the point that some are blaming it for its responsibility, China was the first one to emerge from the sanitary crisis, even if some clusters are reappearing, and to regain, before the other major developed countries, a growth rhythm which will allow it to quickly erasing its economic consequences. We know the skepticism what statistical data generally arouse and the comments which accompany the declarations of Beijing leaders are most of the time critical. Yet the prestigious medical review, the Lancet, has just published an unequivocal study ...