Due to nostalgia and human ego, I predict this holiday season is going to be the climax of this disease, and there will be harrowing warnings about future holiday travel.
Low estimate is 500,000 dead, high estimate is 1,000,000.
It's thinning the herd, it'll easily take those who don't respect it, and it will take some who do respect it just because it can. Even people cleared of it can have years taken off their lifespan and loss of function.
The value of medicine might change where few people can get help, they'll try to get any help they can, and be victims of fraud.