There is no silver bullet and no magic wand, but some simple steps, such as asking every hospital to carry out a friends and family test, asking the patients and the staff whether they would be happy for their family or friends to be treated in that hospital, can make a real difference.
That is why it has made a policy of forcing you to use your real name, even going to the lengths of asking your friends to verify your personal information to make sure you are being truthful.