what exactly is a “booster” shot? 906 viewsJanuary 3, 2024 Question90.87K January 24, 2020 0 Comments what exactly is a “booster” shot? In: Biology 2 Answers ActiveNewestOldest Anonymous Posted January 24, 2020 0 Comments A booster shot is a second vaccine. Over time the immune ‘memory’ for certain illness fades and needs an ‘update’ or ‘boost’ [Here is a more detailed wiki page on the subject](https://en.wikipedia.org/wiki/Booster_dose) You are viewing 1 out of 2 answers, click here to view all answers. Register or Login
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