"It has now become apparent that the debate on October 15 will not take place, and the commission will turn its attention to preparing the final presidential debate, which is to take place on October 22," the CNN commission said.

Earlier, Trump's physician Sean Conley said that the American leader is not experiencing progressive signs of illness and may return to public events, presumably on Saturday, October 10.

On October 8, the US president refused to participate in a virtual debate with Biden.