Question

what was Edward Jenner's state of mind when he had injected the little boy with the smallpox vaccine? what does this tell u about the character of the doctor?​

Answer 1

Answer:

he was a great doctor ..he even ready to sacrifice his own son for the fate of the whole world

Answer 2

Answer:

Smallpox vaccine, the first successful vaccine to be developed, was introduced by Edward Jenner in 1796. He followed up his observation that milkmaids who had previously caught cowpox did not later catch smallpox by showing that inoculated cowpox protected against inoculated smallpox.

I don't know the second answer...