The History of the First Vaccine
1796 was a turning point in the history of vaccination, and it is associated with the name of the English doctor – E. Jenner. While practicing in the village, Jenner noticed that farmers working with cows infected with cowpox do not suffer from smallpox. Jenner suggested that the transferred smallpox was a defense against human, and decided to experiment on a revolutionary time. He injected a blood of a cowpox to a boy and proved that he was gained the…
