an unusual physical mark.
For many people, it represents a moment in medical history.
Is It a Smallpox Scar or a BCG Scar?
This is where things can become confusing.
Another vaccine can also leave a noticeable scar: BCG, which is used to protect against tuberculosis.
The two scars can look somewhat similar, but they aren’t necessarily identical.
BCG scars are often raised or irregular, while the traditional smallpox vaccination scar is characteristically circular and depressed. The location can also provide a clue, although scar appearance alone isn’t enough to
