Viruses like this, virulent and deadly, will tend to mutate towards more virulent and less deadly forms. As long as you take measures to prevent the more deadly versions from propagating.

Extremely deadly diseases tend not to be very communicable. Due to killing their host before passing on the pathogen.

Sending our most ill to the hospital isolates them more than having them out and about. Having people socially distance means that less communicable and more deadly versions propagate less.

The ideal is that it will mutate out of humans like the Spanish flu. Second best is that we get a strain that's least deadly and spreads quicker than all the others.