5 ms·
the CDC recently changed their definition of vaccine from (paraphrasing) "something that provides immunity to disease" to "something that provides protection fr
by grillvogel 5y ago
the CDC recently changed their definition of vaccine from (paraphrasing) "something that provides immunity to disease" to "something that provides protection from a disease"
https://www.miamiherald.com/news/coronavirus/article254111268.html https://www.miamiherald.com/news/coronavirus/article25411126...