The Economist: “There is no evidence that vaccines cause autism. Nor is there evidence that spreading out vaccines is beneficial. In fact, doing so increases the window in which kids are vulnerable to infection. Doctors’ groups, therefore, lined up to denounce the order…”“The good news, then, is that Mr Trump’s order will have little practical effect. States, not the federal government, normally set vaccination requirements for schoolchildren. And most of them are guided by abundant evidence that vaccines have driven down rates of infectious disease by a miraculous degree.”“But as the administration injects more doubt and confusion into decisions over vaccines, parents are increasingly declining them.”