Talk about a death ship...
But, do the facilities really exist? There are hospitals, and there are hospital ships. But, in the whole of the USA, there’s only a dozen or so beds in hospitals considered competent to handle Ebola. How difficult would it be to create 4000 SAFE beds on a ship? “SAFE” is used here in the sense that medical volunteers would have a better than 95% chance of not getting infected? (Because otherwise, there won’t be any volunteers).
You didn’t read the post - prefab units.