mRNA vaccine mechanism of action, illustration
Illustration of the mRNA (messenger ribonucleic acid) vaccine entering an antigen presenting cell/dendritic cell (orange). The mRNA is translated into antigen proteins, which then undergo further processing to generate antigen peptides. The antigen peptide can be presented by MHC I to T cells (blue) to generate an immune response. For a version of this image without labels see F042/5636., by NANOCLUSTERING/SCIENCE PHOTO LIBRARY
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