mRNA vaccine explained

If you're a science nerd, or interested in current events, this is how the new types of mRNA vaccines are designed to work, in simple & succinct terms. This is the Moderna and Pfizer vaccines, not the Oxford-AZ simian derivative. (20 minutes run time). The US will likely get the Moderna/Pfizer vaccines while the rest of the world will probably get Oxford. That's another issue for discussion later.

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