 But the president's campaign is continuing to insist publicly that Biden is the party's nominee and that he's not going anywhere. Campaign chair Jen O'Malley Dillon told MSNBC's Morning Joe that Biden is in this race to win. He and Vice President Harris are set to rejoin the campaign trail next week. Biden is currently isolating in Delaware while he recovers from a reportedly mild case of COVID-19. Eric McDaniel, NPR News. This is NPR News in Washington.