Why did CDC change definition for ‘vaccine’? Agency explains
https://www.miamiherald.com › news › article254111268
Sep 27, 2021 — The term “vaccine” also got a makeover. The CDC’s definition changed from “a product that stimulates a person’s immune system to produce ...
interesting, the link now says
https://www.miamiherald.com/news/coronavirus/article254111268.html
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