do you know why there’s a small scar on the upper left arm and what it means?

human disease that has been completely eliminated through vaccination efforts.

Because the disease no longer circulates naturally, routine vaccination is no longer needed for the general public.

More Than Just a Scar

To many people, this small mark is easy to overlook.

But it represents something remarkable:

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Protection from a deadly disease

A major medical breakthrough

A shared experience among millions of Americans

A reminder of how far public health has come

That tiny scar on the arm may not seem important today, but it tells