Corona virus and those exponential curves

Been trying to do a Corona thread for three days, but every time it was half finished everything changed.

WHO have finally declared a state of emergency, something that seemed inevitable as soon as we knew the virus could be transmitted by people without symptoms. Russia, Mongolia, and North Korea closed their borders Thursday. Hong Kong announced a temporary closure. Singapore has now closed its borders too. Mark Steyn meanwhile, marvels that healthy US citizens are being advised not to go to China, but it’s apparently fine for sick people to travel the other way. Extraordinarily a cruise ship with 6,000 passengers was “stuck” off Italy, waiting for clearance for two Chinese people who had symptoms like a flu. Fortunately they must have just had the flu. The ship was cleared. And so it is around the world with a mosaic pattern of super actions, versus business as usual.

British Airways has suspended all flights to and from China, as have many other airlines, but in a city by city way. The virus is now present in every region of China. It’s not clear why all flights to and from China have not been stopped. On ABC news Australia’s supposedly […]