Answer :
Answer:
Edward Jenner
Explanation:
He is very smart. He basically observed that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox.
Answer:
Edward Jenner
Explanation:
He is very smart. He basically observed that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox.