This is a study that should have stayed secret. A working document, as it is said in the jargon of the business. And all in all, an element of the banal. Because files of this type, the influential consulting firm, Boston Consulting Group, in writing, of the dozens and dozens per year. But the door on the Covid-19, and sets of scenarios of exit of the containment by countries (20 in all). Consisting of 33 pages date of march 26, and entitled ” Forecasts epidemic “. According to the French antenna of BCG, caught up by the noise caused by the escape of this study in the Letter A, it would be a…