Edward Jenner
Because the british government introduced a complusory vaccination for the smallpox disease in 1853.
A vaccination.
An effort to control a very nasty disease (Smallpox) that killed many people.
yes...
The treatment for smallpox was to get a vaccination.
The use of aggressive vaccination.
Yes.
Vaccination
1796
He discovered a vaccination for the smallpox
Because of vaccination programme
Smallpox? It was cured/eradicated by mass vaccination.