How Do mRNA Vaccines Work?

mRNA vaccines represent a new technology that uses RNA to instruct cells to produce antigens, triggering an immune response. Unlike traditional vaccines, which use weakened or inactive pathogens, mRNA vaccines provide a genetic template for cells to create antigens. This method is safe, does not alter DNA, and has been rapidly developed for COVID-19. The technology holds promise for other diseases, including rabies, Zika, and potentially cancer.

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