[Capt. Tom]

ATLANTA (Reuters) - U.S. health officials said on Thursday they could not explain why a virus that causes millions of cases of acute gastroenteritis in the United States each year appeared to be spreading more widely in nursing homes, prisons and other institutional settings.

I hope we do better with germ warfare agents. - Tom

[earplug]

Workers in the mentioned facilities are not highly paid, motivated for profit workers.
All toil under strict government control and red tape. The clients do not have a choice.
It a perfect breeding ground.