Listen

William Jones

Updated September 20, 2021 at 11:44 PM ET

A year and a half into the pandemic, doctors are getting better at recognizing long COVID — the collection of persistent health problems that some people develop after a coronavirus infection — but research has yet to pinpoint what could be driving the illness.

Pictogram people become unlikely MVPs

One of the most striking sequences in the Tokyo Olympics' opening ceremony revolved around pictograms. Tokyo organizers have been touting their "kinetic pictograms," which show figures bursting into motion across dozens of disciplines. For Friday's ceremony, they brought all 50 of those pictograms to life.

Glenn Hurst didn't grow up dreaming of becoming a doctor. But eventually, he made his way into health care, taking a job placing doctors in small towns. Traveling farm country, he says, the work moved him in ways he didn't expect.

"To see the physicians in those communities helping those people stay in their fields, helping those people's families be safe ... I decided that I wanted to be part of something rural and I wanted to be part of health care," he says.