Just as the coronavirus outbreak appears to be stabilizing in China, each day's news cycle brings stories of new nations and new types of patients impacted. Islam's holiest site Mecca shut to pilgrims, Japan, which has ordered all schools closed until the end of spring vacation in early April, is now wondering whether it can stage next summer's Tokyo Olympics. Here in France, health authorities are scrambling to figure out how victims who had no contact with the most infected areas came down with Covid-19.