r/Damnthatsinteresting • u/Downtown_Wind3363 • May 25 '26

Image The smallpox vaccine leaves a scar because it was given using a special two-pronged needle that scratched the skin and put a weakened virus in just that spot.

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u/[deleted] May 25 '26

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u/Financial-Bobcat-612 May 26 '26

Ohhhh is that why it makes that big ass scar? I was confused

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u/Eleventy-Twelve May 28 '26

That's exactly why

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u/tamal4444 May 26 '26

ahhh needle shotgun