First lady Melania Trump also tested positive, the president said, and several others in the White House have, too, prompting concern that the White House or even Trump himself might have spread the virus further.
Also testing positive: Trump’s campaign manager, Bill Stepien.
“President Trump remains in good spirts, has mild symptoms, and has been working throughout the day,” said press secretary Kayleigh McEnany.
Very early Friday, after returning from the Thursday afternoon New Jersey fundraiser, Trump stunningly tweeted, "Tonight, @FLOTUS and I tested positive for COVID-19.
White House chief of staff Mark Meadows on Friday confirmed that the White House knew Hope Hicks, the aide, had tested positive before Trump attended the fundraiser.