Answer:
Three pieces of evidence for Jenner getting credit for the spread of immunization are that he tested the practice scientifically.
He sent out the vaccine to anyone who wanted it.
He gave the vaccine to someone who gave it to Thomas Jefferson.
Explanation:
please mark this answer as the brailest
It is an Antonym since meticulous means: "showing great attention to detail; very careful and precise". completely different from messy