The Guardian, which obtained an advance copy of "The Chief's Chief," a memoir by Trump's chief of staff at the time, Mark Meadows.
Trump tested positive three days before his first debate against Biden on September 29, 2020, and exhibited mild symptoms of what was taken to be a cold, the upcoming book recounts.
According to Meadows' account, the result came through just as Trump was leaving the White House for a campaign rally in Pennsylvania on September 26.
This followed a packed celebration at the White House for newly confirmed Supreme Court Justice Amy Coney Barrett -- a party where VIPs mingled maskless and that subsequently was identified as a super spreader event. "Stop the president from leaving," Meadows quotes the then-White