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1:24
YouTube
Harvard University
How mRNA vaccines work
The new mRNA COVID vaccine uses established research to create a safe and effective defense against coronavirus. In this video we explain how it works.
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Dr. Paul Offit drops some knowledge on vaccine "breakthrough" infections and the role of natural immunity 🔥 Full interiew: zdoggmd.com/paul-offit-live Donate to our educational efforts and get a personal thank you email from me: paypal.me/zdoggmd | ZDoggMD
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