One patient would infect two new patients, said one doctor. This is the example of the chessboard and the rice grains. 2, 4, 8, 16, 32 etc. The Chinese government has sealed off a region with over 50 million people. This also has economic consequences. There are sick people all over the world. The coronary virus has become a pandemic. But the WHO does not want an international crisis. So it waited. Hoping it wouldn't be so bad. Travel restrictions are annoying and expensive ! The world economy doesn't need this. If it costs the Chinese money, that's fine. The French government is very slow in its actions. If there are more infected people, it could ban meetings. It would be good for Macron. I think it will be quite dramatic and th...