Donald Trump has said he and First Lady Melania Trump have tested positive for coronavirus and are now in quarantine.
The US President is aged 74 and therefore in a high-risk group. According to Mr Trump's most recent physical examination earlier this year, he weighed 244lb (110.7kg). This is considered to be obese for his height of 1.9m (6.3ft).
The announcement comes after one of his closest aides tested positive for coronavirus. Earlier on Thursday, Mr Trump said he and his wife, who is 50, were going into quarantine after a positive test on Hope Hicks, the 31-year-old adviser to the president
She travelled with him on Air Force One to the first presidential TV debate with Democratic rival Joe Biden in Ohio on Tuesday. Some of Mr Trump's family members who attended the debate were seen not wearing masks. Mr Trump has mostly spurned mask-wearing and has often been pictured not socially distanced with aides or others during official engagements.
Mr Trump's physician, Dr Sean Conley, released a statement, saying the president and the first lady were "both well at this time, and they plan to remain at home within the White House during their convalescence. Rest assured I expect the president to continue carrying out his duties without disruption while recovering, and I will keep you updated on any future developments," the statement said.
America's Centers for Disease Control and Prevention says a person must go in quarantine for 10 days after a positive test. It is not clear how Mr Trump's positive test will affect arrangements for the second presidential debate, which is scheduled for 15 October in Miami, Florida.