The mysterious new virus that is starting to spread very rapidly in China has global health officials extremely concerned. On Wednesday, the World Health Organization will convene an emergency meeting to discuss whether this outbreak should be “declared a global health crisis”, and screeners are being put in place at airports all over the world. But to a certain extent it may already be too late, because we know that this virus has already spread via airplane to at least three other countries. And since the early symptoms of this disease are so similar to what one would expect after...