The first lady's preparations to start teaching on Tuesday at Northern Virginia Community College for the autumn semester have been derailed by the diagnosis.
There are currently no changes to the president's itinerary or White House COvid procedures, an administration official told CNN on Monday.
Joe Biden, who earlier in the day gave a Labour Day speech in Philadelphia, is having a hectic week as a result of the first lady's illness.
The first lady tested positive for Covid-19 during a trip in South Carolina in August of last year.
There were just approximately four new hospital admissions countrywide for every 100,000 individuals in the week ending August 19.
CNN has requested more information on the frequency of the president and first lady's Covid tests as well as if Joe Biden was present when his wife first started displaying Covid symptoms.
The highly altered nature of a novel variety, BA.2.86, which has only been found in a tiny number of individuals worldwide thus far, has caught the attention of scientists.