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5:08
YouTube
TED-Ed
How the COVID-19 vaccines were created so quickly - Kaitlyn Sadtler and Elizabeth Wayne
Discover how mRNA vaccines help your immune system fight viral infections and how this decades-old technology was used to create COVID-19 vaccines. -- In the 20th century, most vaccines took over a decade to research, test, and produce. But the vaccines for COVID-19 were cleared for emergency use in less than 11 months. The secret behind this ...
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