Do You Know What Does That Small Scar On Your Upper Left Arm Really Means?


Are you familiar with the reason why certain people have a little round scar on their upper left arm? This scar is a consequence of the vaccination for smallpox. This vaccine was quite routine before the 70s. Doctors used a live Vaccinia virus to activate an immune reaction that would provide protection from the Variola virus that triggered the appearance of smallpox.


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Following the vaccination, blisters were created and after that, they formed a crust and healed in a couple of weeks. In the end, a round scar was left. The physicians used a bifurcated needle that they dipped into the Vaccinia solution to deliver the patients the vaccine. The arm of the person was poked several times and every time the needle poked through the skin, a small amount of the vaccine was inserted, which triggered the blistering. This is quite probably the reason why the scars are quite big.

What Follows After The Vaccine Is Inserted?

A little swelling shows on the vaccinated spot and it lasts for about six to eight hours. After that, the swelling vanishes. Six to eight weeks later, another swelling appears, and it looks exactly like a mosquito bite. This swelling begins growing and forms a nodule that bursts and releases a fluid and an ulcer is developed. The ulcer does heal, but a scar is left. In certain people, the ulcer and the process of healing recurred two to three times.

After The 70s

In the West, after the 70s, smallpox vanished; for this reason, this vaccine was not used, unless in case someone went to a country where the virus was still active. In the 80s, the Variola virus was removed from the overall population and people no longer needed vaccines for smallpox.