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How viruses like COVID-19 mutate, and how they impact vaccine development

Video Credit: USA Today News (Domestic) - Duration: 01:31s - Published
How viruses like COVID-19 mutate, and how they impact vaccine development

How viruses like COVID-19 mutate, and how they impact vaccine development

Here's how mRNA viruses like COVID-19 mutate, and why certain viruses are harder to develop vaccines for.


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