We looked at the images broadcast on television from Wuhan as if they came from another planet. Until February 21, with the first case of contagion in Italy, the coronavirus seemed something that could not concern us. Then everything changes from February 23. Suddenly we plunged in fear, sometimes in panic, but above all we realized in one fell swoop that the human being is part of nature, even if at some point of the evolutionary history it seemed to break away from it to dominate it and break the balance on which it is based. The coronavirus and the disease that derives from it, called covid19, puts us again and dramatic ally in front of the limits of nature, our limits and our role on earth. It puts us in all its urgency in front of the issue of our development model, the interdependence of the globalized world, the solidarity between people and between countries, between North and South of the world.