This week has been an eventful one for America’s public health agency. They painted a picture of a health agency in turmoil—and at risk of harming the people it is meant to serve. And, just hours afterwards, a panel of CDC advisers voted to stop recommending the MMRV vaccine for children under four. If you’re interested in reading more about US vaccine policy, check out:+ Read our profile of Jim O’Neill, the deputy health secretary and current acting CDC director. + Why childhood vaccines are a public health success story.