Facts

Ever Wondered What This Nickel-Sized Scar On Your Upper Left Arm Means? This Is The Answer

If You Have This Scar, You Have Been Vaccinated

Take a look at your upper left arm. If you see a scar like this one, it means you have received a smallpox vaccination. But why is that important?

<p>Take a look at your upper left arm. If you see a scar like this one, it means you have received a smallpox vaccination. But why is that important?</p>