Polio Vaccine Scar Story Behind That Little Dimple on Your Arm

That polio vaccine scar-like dimple on your upper arm may have caught your attention.

Ever wondered where it came from?

That indentation is a remnant of one of the most extensive public health campaigns.

The 1950s polio pandemic left kids paralyzed and on iron lungs.

The world needed a vaccination. Jonas Salk’s miracle injection followed.

The government quickly mobilized to vaccinate every American child.