have the same mark.
Unlike most modern vaccines, the smallpox vaccine often left a visible scar that stayed for life.
Why Was the Vaccine So Important?
Smallpox was once one of the most feared diseases in the world.
It was caused by the Variola virus and could lead to:
High fever
Severe rash
Painful blisters
Permanent scarring
Blindness
Death in many cases
For centuries, smallpox killed millions of people around the globe.
Before vaccination became widespread, outbreaks could spread quickly through entire communities.
How Did the Vaccine Leave a Scar?