White House press secretary Kayleigh McEnany speaks to the media after U.S. President Trump announces that he and first lady Melania Trump both tested positive for the coronavirus in Washington, D.C., Oct. 2, 2020.

Trump walks to the Marine One helicopter as he departs the White House to fly to Walter Reed National Military Medical Center, where it was announced he will work for at least several days after testing positive for the coronavirus, Oct. 2, 2020.

White House press secretary Kayleigh McEnany arrives for a television interview after Trump announced that he and first lady Melania Trump both tested positive for the coronavirus in Washington, D.C., Oct. 2, 2020.

A uniformed U.S. Secret Service officer waits for Trump to depart the White House to fly by helicopter to Walter Reed National Military Medical Center, where it was announced he will work for at least several days after testing positive for the coronavirus, Oct. 2, 2020.

Trump walks to the Marine One helicopter wearing a protective face mask as he departs the White House to fly to Walter Reed National Military Medical Center, where it was announced he will work for at least several days after testing positive for the coronavirus, Oct. 2, 2020.

White House Chief of Staff Mark Meadows rubs his head as White House physician Dr. Sean Conley speaks to the media about Trump's health status, at Walter Reed National Military Medical Center in Bethesda, Maryland, U.S., Oct. 4, 2020.

Trump walks to the Marine One helicopter wearing a protective face mask as he departs the White House to fly to Walter Reed National Military Medical Center, where it was announced he will work for at least several days after testing positive for the coronavirus, Oct. 2, 2020.

White House aides, including the military aide carrying the nuclear launch codes known as "the nuclear football," follow Trump as he boards the Marine One helicopter to fly to Walter Reed National Military Medical Center after testing positive for the coronavirus, Oct. 2, 2020.

Journalists report before dawn at the White House after Trump announced that he and first lady Melania Trump both tested positive for the coronavirus, Washington, D.C., Oct. 2, 2020.

Trump waves to supporters as he briefly rides by in the presidential motorcade in front of Walter Reed National Military Medical Center, where he is being treated for COVID-19, in Bethesda, Maryland, U.S., Oct. 4, 2020.

A member of the White House cleaning staff sprays the press briefing room the evening of Trump's return from Walter Reed Medical Center after testing positive for the coronavirus, in Washington, D.C., Oct. 5, 2020.

A member of the White House cleaning staff sprays the press briefing room the evening of Trump's return from Walter Reed Medical Center after testing positive for the coronavirus, in Washington, D.C., Oct. 5, 2020.

Trump pulls off his protective face mask as he poses on the Truman Balcony of the White House after being hospitalized at Walter Reed Medical Center for COVID-19, in Washington, D.C., Oct. 5, 2020.

Trump boards Marine One as he departs Walter Reed National Military Medical Center to return to the White House after his fourth day of treatment for COVID-19, Bethesda, Maryland, U.S., Oct. 5, 2020.

Trump returns to the White House from Walter Reed National Military Medical Center where he underwent treatment for COVID-19, Washington, D.C., Oct. 5, 2020.

A White House staff member holds the door for Trump as he exits Walter Reed National Military Medical Center after his fourth day of treatment for COVID-19, in Bethesda, Maryland, U.S., Oct. 5, 2020.

Trump walks back into the White House from the Marine One helicopter as he returns to the White House from Walter Reed Medical Center after being hospitalized for COVID-19, in Washington, D.C., Oct. 5, 2020.

Alyssa Farah, the White House's director of strategic communications, replaces her mask after a television interview about the White House's response to Trump's COVID-19 diagnosis, outside the White House in Washington, D.C., Oct. 6, 2020.

Trump poses on the Truman Balcony of the White House after taking off his protective face mask following hospitalization at Walter Reed Medical Center, in Washington, D.C., Oct. 5, 2020.

People take pictures of Marine One as it transports Trump to the White House after the president underwent treatment for COVID-19, in Washington, D.C., Oct. 5, 2020.

Marine One, carrying Trump, is seen as it arrives at the White House after the president underwent a fourth day of treatment for COVID-19, in Washington, D.C., Oct. 5, 2020.