Mandatory influenza vaccination?

Article on changing policies in the USA here...

If you don't take the temperature, the patient can't have a fever...

This article reminded me of one of the fatman's rules from Shem's novel.  In this study, computer rule generated central line infection rates were significantly higher than those reported by infection control teams --  in the modern era of reporting and pay for performance, one does wonder if, given a case that is grey one may be more inclined to call it black or white.