Vaccine Medical, Yorùbá English (en) Vaccine A substance used to stimulate immunity against disease. Other languages: Hausa, Igbo Related terms Vaccination Yorùbá (yo) Àjẹsára Decomposition: Substance taken to stimulate immunity. [Total Votes: 0] Want to suggest a better term than what's currently presented, or do you have a term that hasn't been mentioned? Feel free to share your suggestions here. Your Name Your Email Suggested Term Decomposition of Suggested Term Please break down the word into its constituent parts to understand its meaning. Which base/root words, affixes, and/or prefixes are combined to form this term? LOG