In the other story, the century 1770 et Jane Manor. British scientists have been aware of the story of a woman who never gets sick cattle by smallpox disease anywhere. Later she was sick with the disease, cowpox, which her infection from her cows and is mild symptoms in humans. In 1796 Jane Manor extracted semen from the woman and cowpox to make boys aged 8 years after 6 weeks he had smallpox, fungal (small pox), the pupils men. It was found that the boy was not in ill health or disease, smallpox is revealed through symptoms. The following are additional performance trials of this method in the infant vaccination with cowpox was much safer Since than smallpox inoculation, later this idea was widely used throughout the uk and in the end get the injunction in a year. R. 1840
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