How has the treatment for polio progressed and improved?

In the early 1950s, summers were filled with fear. Swimming pools, summer camps, and playgrounds lay empty as children were kept at home to keep them safe from a crippling and sometimes deadly disease: polio. Everyone knew someone with polio - there were 60,000 cases diagnosed in one summer alone - but no one knew how to prevent it. The most unlucky ones were completely paralyzed, spending the rest of their lives inside an iron lung.

Polio is fast becoming a distant memory - something many of us know only from history books or stories we hear from our grandparents. Within five years of the 1954 introduction of the now-historic Salk vaccine, polio lost its grip on the nation; the last case in the U.S. was recorded in 1979. It's a testament to the tremendous achievements of pharmaceutical innovation, and the profound impact it has had on people's lives.

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