Collateral Damage

Source: Doonesbury by Gary Trudeau

"[T]here are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns – the ones we don't know we don't know."

-Donald Rumsfeld 

This comic was circulated today via a hospital epidemiology email list, so I had to post it here. We keep no secrets.  I don't know why I included the quote above, other than when I think of collateral damage, he comes to mind. In infection prevention, I think there are a lot of unknown unknowns masquerading as known knowns, but that is another post for another day...