The COVID-19 vaccine developed by BioNTech and Pfizer is known as BNT162b2 (Comirnaty). BNT162b2 contains messenger RNA, or mRNA, from SARS-CoV-2. SARS-CoV-2 is the virus responsible for COVID-19. mRNA is a type of genetic material that contains the instructions that tell cells in the body how to make a protein. The mRNA in BNT162b2 tells the body to make one of the proteins from SARS-CoV-2 known as the spike protein.
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Pather et al. (2024) studied this question.
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