The world is looking to Timothy Sheahan for hope. He’s a virologist at UNC-Chapel Hill leading the effort to develop a coronavirus vaccine—and fast. He shared recordings of a week in his life, from May 28 to June 3, for this series finale.

Behind the story: ‘The test of their lives’

Engaging stories, important issues, new perspectives. All Told is about people -- about the struggles and triumphs of those living inside some of the biggest issues facing our country, about those whose stories rarely get told, and about what it means to be human in today's world. In 2020, All Told shared a special series of firsthand stories from Americans living through the coronavirus pandemic.