Do You Know the Real Significance of the Small Scar?
Before the 1970s, getting a smallpox vaccine was a standard practice, so many of us still have the small, circular scar on our upper arm as a reminder. 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. The scars are clearly apparent due to the blisters caused by the vaccination administered with each needle prick.
There is a temporary swelling at the injection site, but it goes down after a while. However, a mosquito bite-like lump develops into a tumor about 6 to 8 weeks after the initial infection.
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