Her plans to hit the trail with her husband last week were thwarted due to a "lingering cough" from her battle with the coronavirus, which struck the first couple and son Barron.
As Trump prepared to leave the White House for the first time since returning on October 5 after three nights at Walter Reed Medical Center, he fired off a series of tweets.
Polls show Biden leads heavily in key demographics including women and the elderly, prompting analysts to talk increasingly of a possible landslide victory.
Trump accused Democrats of seeking "to bailout poorly run, high crime, Democrat States" and said that negotiations could begin again only after the election -- "after I win."
Other positive cases close to Trump now include his wife Melania, his close aide Hope Hicks, his campaign manager Bill Stepien, two of McEnany's assistants.