While the virologists improvised compete and that their certainties proliferate faster than the virus itself ; while the déclinologues licensed fourbissent the curse and the promises of a lawsuit, it seems useful to identify in this first decade of April, the fourth week of confinement, that which we do not know, what we do not understand and what one has not, then he must, in spite of everything, wage a war of long-term against the virus.

Ignorances in epidemiology

It is not known how many people were affected by the virus, and not only because we ran out of t…