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. 2023 Mar 1;380:e073747. doi: 10.1136/bmj-2022-073747

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© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Fig 3 — Timeline of selected key events in research and development of mRNA covid-19 vaccines. Summary of certain key events that led to invention of mRNA covid-19 vaccines based on analysis of government funded grants awarded by National Institutes of Health, Department of Defense, and Biomedical Advanced Research and Development Authority and adapted from historical literature review. RSV=respiratory syncytial virus