People don’t drop dead from this kind of thing. There is a period of incubation It seems like This is in that period asymptotic. Meaning there are almost no signs of infection the progressively the symptoms kick in. Because you also have Cold and Flu season on things get more problematic. As even when symptoms kick in they are flu like. So you have to sort the Wheat form the chaff so to speak. Older individuals and the very young or weak can be killed from this just as well as a hard case of the flu. So is patient A sick from a cold, the Flu or Corona Wuhan? The Asymptotic period is it seems still a period of possible spread. So an infected individual can spread this thing without knowing it or appearing sick.