The US stat is that about 100K patients die of hospital acquired infections annually. The rate accompanying significant procedures approaches 4%- a number that is no doubt familiar to BMW riders for other reasons.
No one except physicians who these days get essentially no significant traiing in infectious disease would put all the seriously ill folks in the region in one building - many of which are an add on mess that doesn't make prevention easy.
Recent studies show about half of US physicians continue to misuse antibiotics- between them and the animal feed industry they're created most of the current problems with resistant organisms.