While understanding the severity of the illness, one also has to look at the statistics. In the US at least, with 695k confirmed cases, that represents approximately 0.21% of the population. That is at least cases where people felt compelled to seek some type of medical attention.
In consideration, I think that the way that we were 'going about' our lives is what will change as a result of this, at least for now. We can prove that this shut down can help to stem the evolution of this, however I think that it's how we act with the 're-opening' of things that determines where we go from here.