Each year a new flu vaccine is produced, and judging which strains to target is a tricky business. A new study evaluating viral evolution suggests a more systematic approach to predicting next year's virus.
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Ferguson, N., Anderson, R. Predicting evolutionary change in the influenza A virus. Nat Med 8, 562–563 (2002). https://doi.org/10.1038/nm0602-562
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DOI: https://doi.org/10.1038/nm0602-562
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