Question

Edward Jenner’s smallpox inoculation experiment was based on an observation by a dairymaid that she could not get smallpox because she had already had cowpox. How did Jenner form his hypothesis from this observation?

Answer 1

the way that Jenner form his hypothesis from this observation is : he asked what would happen if he deliberately inoculated someone with cowpox fluid from another person based on that observation he crated an experiment which later proof that you can't get another pox if you already experienced it once