How Do mRNA Vaccines Work Heres What You Should Know
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=w4sUuFBEo2g
Messenger RNA—or mRNA—vaccines have been in development for decades, and are now approved for use against COVID-19. • Here's how they work and what you should know about them. • Visit https://www.jhsph.edu/covid-19 for even more resources.
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