Sam Gringlas

Updated at 7:30 p.m. ET on Monday

President Trump is hospitalized at Walter Reed National Military Medical Center as he faces COVID-19.

Trump announced early Friday morning that he and the first lady had tested positive for the coronavirus, and he was taken to Walter Reed Friday evening.

The rest of the timeline, as laid out by White House officials and Trump's physician, Sean Conley, has at times been unclear. Here's what we know about what happened when:

Updated at 4:39 p.m. ET

Conflicting reports emerged Saturday about President Trump's health and the timeline of when he was first tested positive for the coronavirus.

Trump is "doing very well," his physician told reporters on Saturday morning, but a source familiar with the president's health later told White House pool reporters, that "the president's vitals over the last 24 hours were very concerning." The Associated Press identified that information as coming from White House Chief of Staff Mark Meadows.

Updated on Sunday at 9:28 a.m. ET

A week ago, more than 100 people gathered in the White House Rose Garden to celebrate President Trump's third nominee to the U.S. Supreme Court, Amy Coney Barrett. Guests mingled, hugged and kissed on the cheek, most without wearing masks. An indoor reception followed the outdoor ceremony.

Updated at 3:23 p.m. ET

After two negative coronavirus tests this morning, Democratic presidential nominee Joe Biden proceeded with a campaign stop in Grand Rapids, Mich. Biden's wife, Jill Biden, also tested negative today.

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