IN PICS | Donald Trump, Infected With Covid-19, Goes For Surprise Drive-By To Greet Supporters Outside Hospital

(Photo by Drew Angerer/Getty Images)

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US President Trump waves from the back of a car in a motorcade outside of Walter Reed Medical Center in Bethesda, Maryland on October 4, 2020. (Photo by ALEX EDELMAN / AFP) (Photo by ALEX EDELMAN/AFP via Getty Images)

US President Trump waves from the back of a car in a motorcade outside of Walter Reed Medical Center in Bethesda, Maryland. (Image: AFP)

WASHINGTON, DC - OCTOBER 02: U.S. President Donald Trump leaves the White House for Walter Reed National Military Medical Center on the South Lawn of the White House on October 2, 2020 in Washington, DC. President Donald Trump and First Lady Melania Trump have both tested positive for coronavirus. (Photo by Drew Angerer/Getty Images)

This handout photo released by the White House shows US President Donald Trump and his Chief of Staff (not pictured) participating in a phone call with the US Vice President, Secretary of State and Chairman of the Joint Chiefs of Staff on October 4, 2020, in his conference room at Walter Reed National Military Medical Center in Bethesda, Maryland. - President Donald Trump has continued to improve as he is treated for Covid-19 at a military hospital near Washington, his doctors said October 4, adding that he could be discharged as early as October 5. (Photo by Tia DUFOUR / The White House / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT AFP PHOTO / THE WHITE HOUSE / TIA DUFOUR - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This US Department of Defense handout photo shows US Defense Secretary Mark Esper(R) talking with Kuwaiti Foreign Minister Ahmad Nasser al-Sabah, before meeting with the the new emir Sheikh Nawaf al-Ahmad Al-Sabah, to offer condolences on behalf of President Donald J. Trump on the passing of its emir Sheikh Sabah al-Ahmad Al-Sabah in Kuwait City, Kuwait,on October 4, 2020. (Photo by Lisa Ferdinando / DoD / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT AFP PHOTO /US DEPARTMENT OF DEFENSE/LISA FERDNINANDO/HANDOUT - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

Sean Conley, Physician to US President Donald Trump, and White House Chief of Staff Mark Meadows(R) listen while an update on the President's health as he is treated for a COVID-19 infection at Walter Reed Medical Center October 4, 2020, in Bethesda, Maryland. - US President Donald Trump has continued to improve as he is treated for Covid-19, his doctors said October 4, 2020, revealing he could be discharged as early as October 5, 2020. His medical team said his oxygen levels had dropped twice briefly in recent days and he is being treated with steroids, but they gave an upbeat assessment of the 74-year-old president's health and outlook. (Photo by Brendan Smialowski / AFP)

A sign of support is seen as supporters of US President Donald Trump rally on October 4, 2020 outside of Walter Reed Medical Center in Bethesda, Maryland. - US President Donald Trump has continued to improve as he is treated for Covid-19, his doctors said October 4, 2020, revealing he could be discharged as early as October 5, 2020. His medical team said his oxygen levels had dropped twice briefly in recent days and he is being treated with steroids, but they gave an upbeat assessment of the 74-year-old president's health and outlook. (Photo by Alex Edelman / AFP)

Supporters of US President Donald Trump hold signs and flags on October 4, 2020 outside of Walter Reed Medical Center in Bethesda, Maryland. - US President Donald Trump has continued to improve as he is treated for Covid-19, his doctors said October 4, 2020, revealing he could be discharged as early as October 5, 2020. His medical team said his oxygen levels had dropped twice briefly in recent days and he is being treated with steroids, but they gave an upbeat assessment of the 74-year-old president's health and outlook. (Photo by Alex Edelman / AFP)

A single Biden, Harris, supporter holds a sign as as supporters of US President Donald Trump rally on October 4, 2020 outside of Walter Reed Medical Center in Bethesda, Maryland. - US President Donald Trump has continued to improve as he is treated for Covid-19, his doctors said October 4, 2020, revealing he could be discharged as early as October 5, 2020. His medical team said his oxygen levels had dropped twice briefly in recent days and he is being treated with steroids, but they gave an upbeat assessment of the 74-year-old president's health and outlook. (Photo by Alex Edelman / AFP)

Supporters of US President Donald Trump hold signs and flags on October 4, 2020 outside of Walter Reed Medical Center in Bethesda, Maryland. - US President Donald Trump has continued to improve as he is treated for Covid-19, his doctors said October 4, 2020, revealing he could be discharged as early as October 5, 2020. His medical team said his oxygen levels had dropped twice briefly in recent days and he is being treated with steroids, but they gave an upbeat assessment of the 74-year-old president's health and outlook. (Photo by ALEX EDELMAN / AFP)

Acting White House Chief of Staff Mark Meadows holds the door for Sean Conley(front C), Physician to US President Donald Trump, and other members of the President's medical team as they arrive to give an update on the President's health at Walter Reed Medical Center during treatment for a COVID-19 infection October 4, 2020, in Bethesda, Maryland. - US President Donald Trump has resumed making calls and tweeting from hospital, but doctors say his progress on Sunday will be crucial to see if he develops a more severe form of Covid-19. (Photo by Brendan Smialowski / AFP)

White House physician Sean Conley answers questions surrounded by other doctors, during an update on the condition of US President Donald Trump, on October 4, 2020, at Walter Reed Medical Center in Bethesda, Maryland. - US President Donald Trump has resumed making calls and tweeting from hospital, but doctors say his progress on Sunday will be crucial to see if he develops a more severe form of Covid-19. (Photo by Brendan Smialowski / AFP)