Minimal data, heroic assumptions in the models, super early in an exponential system, reality changing due to changing behaviors which wreck the models... it's a fools errand to even try modelling this thing.
That said, you have to try anyway, just to have better idea of what you could be up against, and how seriously you need to respond to it. D+ answer is better than no answer at all...
And unfortunately we may be finding out what not to do when any sort of reopening begins.