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Mapping the Antigenic and Genetic Evolution of Influenza Virus

The antigenic evolution of influenza A (H3N2) virus was quantified and visualized from its introduction into humans in 1968 to 2003. Although there was remarkable correspondence between antigenic and genetic evolution, significant differences were observed: Antigenic evolution was more punctuated th...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2004-07, Vol.305 (5682), p.371-376
Main Authors: Smith, Derek J., Lapedes, Alan S., de Jong, Jan C., Bestebroer, Theo M., Rimmelzwaan, Guus F., Albert D. M. E. Osterhaus, Ron A. M. Fouchier
Format: Article
Language:English
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Summary:The antigenic evolution of influenza A (H3N2) virus was quantified and visualized from its introduction into humans in 1968 to 2003. Although there was remarkable correspondence between antigenic and genetic evolution, significant differences were observed: Antigenic evolution was more punctuated than genetic evolution, and genetic change sometimes had a disproportionately large antigenic effect. The method readily allows monitoring of antigenic differences among vaccine and circulating strains and thus estimation of the effects of vaccination. Further, this approach offers a route to predicting the relative success of emerging strains, which could be achieved by quantifying the combined effects of population level immune escape and viral fitness on strain evolution.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.1097211