Smallpox vaccine scars: What they look like and why

I have a clear memory of noticing a distinct scar on my mother’s arm when I was a child. It sits high up, close to her shoulder, taking the appearance of what looks like a ring of small indents in her skin around a larger indent.

Don’t ask me why that specifically attracted my attention all those years ago; I don’t remember. I recall only that it did, but as is so often the case, I sort of forgot it existed over the following years.Continue reading…

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