That is part of why they won't be tolerated. They'll be shown the road with directions on how to get to the nearest treatment/refugee center. At least in my area.

I know several people involved in Vermont's contingency planning. I can't go into details, but from what they've bounced off me and by reading between the lines, there is an expectation that a lot of city people will try to become backpack survivalists with maybe a week of supplies and your firewood and water. It is anticipated that some of them aren't going to being to given more than one order to move along.