書，Why you can't compare Covid-19 vaccines What a vaccine's "efficacy rate" actually means.Subscribe to our channel!

Ben Chen

這裡面說,底特律的市長先是拒絕了打Johnson & Johnson的疫苗,後來還是打了，：因為疫苗的重點，並不是在讓你不會被感染,而是keep you alive,減少住院和致死的機率。



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Why you can't compare Covid-19 vaccines
What a vaccine's "efficacy rate" actually means.Subscribe to our channel!


Hanching Chung
3月23日下午4:01 ·
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