Trump has been widely criticized for initially downplaying the virus, which he likened to an ordinary flu and said was under control in the United States, before later accepting that it was a national emergency.
Trump backed out of a second scheduled debate set for Oct 15 over a disagreement about the virtual format following his COVID-19 infection. At that time, he raised concerns about having his microphone muted.
Trump last week asked Moon to act as "chief negotiator" between Washington and Pyongyang, according to Moon's spokesman, after Trump canceled a visit to Pyongyang by US Secretary of State Mike Pompeo last month.
Trump later told a joint press conference with Macron that he hoped the US will be able to deal "in a very open and honorable fashion" with the DPRK.
Trump made the comments as he spent his Thanksgiving renewing baseless claims that "massive fraud" and crooked officials in battleground states caused his defeat.
Trump's plan, which does not add protections to Deferred Action for Childhood Arrival recipients, is expected to draw little support from Democrats who have railed against the administration's lack of support for so-called "Dreamers," who were brought to the United States as children by undocumented parents.
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Trump praised the US military and their families and spoke bluntly about the defeat of the Islamic State group. "As we defend American lives, we are working to end America's wars in the Middle East," he said.
Trump was scheduled to make a seven-state, 14-rally dash through the weekend and Monday. Biden campaigned on Saturday with his former boss, Barack Obama, in the battleground state of Michigan.
Trump, 74, also is receiving the antiviral drug Remdesivir and a cocktail of antibodies.
Trump and his wife also were to pay their respects at a Pentagon ceremony led by Defense Secretary Jim Mattis and Gen. Joseph Dunford, chairman of the Joint Chiefs of Staff. The observances come as Trump grapples with the death and destruction caused by two hurricanes in three weeks.