smallpox
in 1796,
Through a cow
cows
the smallpox vaccine.
edward jenner
The discoverer of this particular vaccine was Edward Anthony Jenner. The first time it was used was in 1796 in England.
Edward Jenner
Is sometimes referred to as the 'Father of Immunology'. Jenner's discovery 'has saved more lives than the work of any other man'
Edward Jenner in 1749!!
Edward Jenner.
Edward jenner
!&(^ it means 1796 in caps lock