Before the 1970s, getting a smallpox vaccine was a standard practice, thus many of us still have the little, circular scar on our upper arm as a reminder of that. This vaccination prevented smallpox by inducing an immune response to the dangerous Variola virus using live Vaccinia virus.
“The injection site will develop blisters that, after they heal, will leave a circular scar,” the original article states.
Do You Know The Real Significance Of The Small Scar
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