COVID-19: Moderna vaccine may reduce infection risk more than Pfizer
The COVID-19 vaccines from Moderna and Pfizer are messenger ribonucleic acid (mRNA) vaccines, a relatively new form of vaccine technology. COVID-19 vaccines work by giving our cells instructions on making a SARS-CoV-2 protein. Our immune system reacts to these proteins and creates the necessary tools to deal with any future virus infection.
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