Biden had tested positive for a rebound case last week after first testing positive Aug. 15 while vacationing in Kiawah Island, South Carolina. The first lady had ‘cold-like symptoms’ the first time, according to Alexander, and was put on a cycle of the antiviral drug Paxlovid, which can trigger a rebound case of Covid-19 in some people several days after a test. negative result.
The president had also taken Paxlovid when he had Covid-19 last month, and he eventually tested positive for a rebound case, following negative tests.
While self-isolating in South Carolina when first diagnosed, the first lady worked on her upcoming fall class schedule for her job as an English teacher at Northern Virginia Community College.
Biden has since isolated herself at the family beach house in Delaware, where she had traveled after testing negative before the rebound case.
This story has been updated with additional details.