Update: For the second day in a row, President Biden has tested positive for COVID-19, his doctor said Sunday. Dr. Kevin O'Connor said in a letter that the president's "rebound positivity" wasn't surprising, CBS News reports. It occurs, though not often, among patients who've been on Paxlovid, an antiviral treatment. O'Connor said Biden feels well and will keep working in isolation in the White House residence. Our story from Saturday follows:
After President Biden tested negative for the coronavirus on Tuesday, Wednesday, Thursday, and Friday, his test Saturday came up positive, and his physician said he's entering "strict isolation." The president has no new symptoms, Dr. Kevin O'Connor wrote in a letter, and "continues to feel quite well." Because of that, O'Connor said "there is no reason to reinitiate treatment at this time" of Biden, who had been given Paxlovid for five days, Axios reports. The president had ended his previous isolation on Wednesday.
O'Connor described the infection as a rebound case of COVID-19. A Mayo Clinic study released last month found that such cases are possible but relatively rare in patients who take Paxlovid. That possibility is why Biden, 79, was being tested more often, his doctor said Saturday. The chief executive of Pfizer earlier had said patients whose symptoms return should resume Paxlovid treatment, per Bloomberg. (More President Biden stories.)
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