How exactly does an MRNA vaccine work? This video explains everything you need to know.
For even more resources about COVID-19 and vaccines, visit jhsph.edu/covid-19 and coronavirus.jhu.edu.
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How exactly does an MRNA vaccine work? This video explains everything you need to know.
For even more resources about COVID-19 and vaccines, visit jhsph.edu/covid-19 and coronavirus.jhu.edu.