https://apnews.com/6ffc64aa1d8d67b074dd8beb67d7cf6f > WASHINGTON (AP) — President Joe Biden tested positive for COVID-19 again Saturday, slightly more than three days after he was cleared to exit coronavirus isolation, the White House said, in a rare case of “rebound” following treatment with an anti-viral drug. > White House physician Dr. Kevin O'Connor said in a letter that Biden “has experienced no reemergence of symptoms, and continues to feel quite well.” O'Connor said “there is no reason to reinitiate treatment at this time.”