The Trump campaign selectively edited comments made by a top Covid-19 scientist to appear as if he was applauding the President's handling of the crisis.
The campaign issued a TV ad featuring comments made by senior virologist Anthony Fauci, in which he appeared to say he "can't imagine that anybody could be doing more" to fight coronavirus.
But Dr Fauci hit back, saying the comments were taken out of context, and that he had not and would not endorse a political candidate.
The comments came from a March interview Dr Fauci gave to Fox News, and referred to himself and health officials, not the President. "In my nearly five decades of public service, I have never publicly endorsed any political candidate," Fauci said in a statement. "The