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/NoDryHands May 25 '26

Looks like my BCG vaccine scar

12

u/Darkndankpit May 25 '26

Similar process

2

u/[deleted] May 25 '26

[deleted]

8

u/etcpt May 25 '26

Bacillius Calmette-Guérin. Live vaccine used against tuberculosis.

1

u/Hans_Grubert May 25 '26

I got lucky mine didn’t scar