Question

the image below shows a page from a medical textbook published in 1555
the text claimed bloodletting is a good treatment for the plague and cured some cases. this is an example of
a surprising claim that was proven to be accurate today
the need to check facts before publishing a book
new evidence changed the interpretation of the claim
the changing standards in textbook publishing

Explanation:

Bloodletting was a common but incorrect medical practice in the past. Modern medical knowledge (new evidence) has shown that it is not an effective treatment for the plague. This example shows how new evidence (from medical research over time) changes the interpretation of historical medical claims.

Answer:

new evidence changed the interpretation of the claim