Do we know how effective those measures have actually been in practice? There's been some reporting that large numbers of people have caught it in hospital (and indeed I have a personal interest here as a close relative of mine caught it in hospital just before Christmas, though a very minor case and now fully recovered).

It makes sense to try to stop spread in hospitals but unless I've missed something there seems to have been very limited work done on if any of the protocols as actually implemented (ie not just in a theoretical world where they were designed) - and especially the costlier ones in terms of bed space - have worked, or at least worked enough to offset their cost in health terms.

Does anyone know if there's any data on this?