The Canadian Press
WASHINGTON (AP) — President Joe Biden tested negative for COVID-19 on Saturday but will continue to isolate at the White House until a second negative test, his doctor said. Dr. Kevin O'Connor wrote in his latest daily update that the president, “in an abundance of caution,” will abide by the "strict isolation measures” in place since his “rebound” infection was detected July 30, pending a follow-up negative result. Biden, 79, came down with the virus a second time three days after he had emerge