Write one paragraph about how the cure for small pox was discovered

The small pox vaccine, which was first introduced by Edward Jenner in the year 1796, was the very first successful vaccine to be made. He figured out that milkmaids who already had got cowpox did not get smallpox and found that inoculated vaccinia  fought inoculated variola virus.

Explanation:

dramatic irony occurs when the reader/audience knows more about a character's situation than the character does. the one main effect is that it gives the reader a sense of superiority, or detached superiority. the reader not only seemingly discovers what is revealed, but feels superior for doing so.