Treat With Jonas Salk’s Most Famous Discovery
Puzzle 4 of Endangered Species Pack
Question is: Treat With Jonas Salk’s Most Famous Discovery
and the answer is: INOCULATE
Word Meaning:
INOCULATE — (transitive, immunology) To introduce an antigenic substance or vaccine into something (e.g. the body) or someone, such as to produce immunity to a specific disease.
Definitions from Wiktionary.