yes...
A vaccination.
The treatment for smallpox was to get a vaccination.
Edward Jenner
1796
He discovered a vaccination for the smallpox
Yes.
The use of aggressive vaccination.
Vaccination
His discovery led to the eradication of smallpox around the world.
what is the name of the vaccine for small pox
No cure, it is viral. However vaccination has eliminated it.
Smallpox? It was cured/eradicated by mass vaccination.