How have the F. O.P. made healthcare better explain which ones were used to and how to come up with the vaccine

Igive brainliest based on the passage about louis pasteur, which statement is a fact? louis pasteur should have studied his laboratory animals more closely. louis pasteur was clever when he decided to inject nerve tissue from sick animals into healthy animals. louis pasteur knew it took about a month for signs of rabies to show up in a victim. louis pasteur was one of the greatest scientists who ever lived.