I can vividly remember observing a distinct mark on my motherโs arm during my childhood. It is situated up high, near her shoulder, resembling a ring of minor dents surrounding a larger indentation on her skin.
For some reason that caught my attention back then; the reason escapes me now. I only remember that it did, but as often happens, I eventually forgot about its existence in the years that followed.
In reality, I didnโt completely forget about it (it remains in the exact same spot, naturally), but I did overlook the fact that I was actually intrigued by its origin at one point in time. Maybe I inquired about it once, and my mother provided an explanation. If she did, though, I also forgot about that.It wasnโt until one summer a few years ago when I assisted an elderly lady off a train, and I glimpsed the exact same mark in the exact same location as my motherโs scar. Needless to say, my curiosity was aroused, but with the train soon departing to my destination, I couldnโt directly inquire about the backstory of her scar.
Instead, I rang up my mother, and she disclosed that she had informed me on multiple occasions before โ evidently my brain didnโt consider the response noteworthy enough to retain โ and that her scar was a result of the renowned smallpox vaccine.
Smallpox is a viral, contagious ailment that once instilled fear in us humans. It triggers a notable skin rash and fever, and during the most severe outbreaks in the 20th century, claimed the lives of about 3 out of 10 victims according to the Centers for Disease Control and Prevention. Many other individuals were left scarred.
Thanks to a successful, widespread rollout of the smallpox vaccine, the virus was declared โeradicatedโ in the United States in 1952. In fact, by 1972, smallpox vaccinations were no longer part of routine immunizations.
However, up until the early โ70s, all children were inoculated against smallpox, and these vaccinations resulted in a very evident mark. Consider it as the original vaccine identification, if you will: a scar indicating that you had been effectively immunized against smallpox.
And indeed, youโve guessed correctly, itโs that precise scar that my mother carries (as do nearly all others in her peer group).
What caused the smallpox vaccine to leave a mark?
The smallpox vaccine induced scars due to the bodyโs recuperative processes. The vaccine itself was administered quite differently from many contemporary vaccines, using a specialized double-pronged needle.

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