polio

Because polio has been vanishingly rare in the U.S. for nearly a half-century, doctors may not consider it when diagnosing patients with typical symptoms. Here are the signs and science behind the disease.

The pandemic caused some kids to fall behind on routine immunizations, and Florida has some of the lowest child COVID-19 vaccination rates in the country.

At age 9, Dr. Salk was one of the first to get the polio vaccine in the 1950s that was invented by his father. Salk, now 76, says he's hugely impressed by the rapid development of the COVID vaccine.

Florida has confirmed its first case of acute flaccid myelitis, or "AFM"—a rare, serious illness that affects the nervous system, particularly among...

A spike in the number of children with a rare neurological disease that causes polio-like symptoms has health officials across the country scrambling to...

Duke University researchers say some patients with brain cancer survived long after receiving treatment with a weakened poliovirus. But the response rate was limited and there were side effects.