Medical Mistakes

Ten years ago, the groundbreaking report To Err is Human noted that 98,000 people die every year from preventable medical mistakes.  A few years later, another study claimed another 100,000 on top of that die from hospital acquired infections.  Has there been progress since then?  Some argue there has not.  Medical delivery is increasingly complicated, with more chances for mistakes, and there hasn’t been a nation-wide effort to track them, much less bring mistakes and infection rates down.  Does a curtain of secrecy surrounding the medical establishment prevent improvement in the track record of doctors and hospitals?