Donald Trump is facing a simmering Republican backlash over the policies of Robert F Kennedy Jr, the health secretary, amid unease over the administration’s pronouncements on the causes of autism and changes to children’s vaccine policy.
Republicans in Congress are threatening to “break ranks” after this week’s White House announcement by Trump – flanked by Kennedy – claiming a link between autism and Tylenol, an over-the-counter medication, also known as paracetamol, that is widely used to relieve pain experienced by pregnant women.