Have you ever noticed a small round scar on the upper part of your arm, like the one in the photo?
For many older Americans, that little mark is more than just a scar. It’s a reminder of a time when one of the world’s deadliest diseases was finally brought under control.
What Is This Scar?
The small, round scar is usually left behind by the smallpox vaccine.
If you were born before the early 1970s, there’s a good chance you received this vaccine as a child. Millions of Americans
