S92E2 - Conquering Polio | Beyond the Microscope

By the late 1940s, the National Institute of Infantile Paralysis had raised millions of dollars to pay for patient care and laboratory research. But polio cases were reaching record levels, and scientists were no closer to a cure. Frustrated by the slow progress, Basil O’Connor resolved to recruit fresh talent to the cause. He soon found what he was looking for in a young and energetic researcher named Jonas Salk.

In 1951, Salk began testing a killed virus polio vaccine on monkeys in his Pittsburgh lab. His research soon put him at odds with the leading polio sc...