The blister dries out and forms a scab.
- Permanent Scar
When the scab falls off, a small circular scar remains.
The entire process could take several weeks, and in some cases the area would go through more than one cycle of healing before settling permanently.
Why Is the Scar Usually Round?
Continued on next page:The multiple tiny punctures made by the vaccination needle created a larger reaction than a typical injection.
As the skin healed, it often formed a distinctive round or star-shaped scar that became permanent.
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