(FILES) US President Joe Biden and First Lady Jill Biden walk to the White House upon arrival on the South Lawn in Washington, DC, August 26, 2023, following a week long vacation in Lake Tahoe, Nevada. The First Lady\'s communications director, Elizabeth Alexander, issued a statement on September 4 announcing that First Lady Jill Biden had tested positive for Covid-19. She is currently experiencing only mild symptoms (Photo by SAUL LOEB / AFP)