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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Plotkin, Joshua B. Dushoff, Jonathan Levin, Simon A. |
| Description | Author Affiliation: Plotkin JB ( Department of Ecology and Evolutionary Biology, Princeton University, Princeton, NJ 08540, USA. plotkin@ias.edu); |
| Abstract | Continual mutations to the hemagglutinin (HA) gene of influenza A virus generate novel antigenic strains that cause annual epidemics. Using a database of 560 viral RNA sequences, we study the structure and tempo of HA evolution over the past two decades. We detect a critical length scale, in amino acid space, at which HA sequences aggregate into clusters, or swarms. We investigate the spatio-temporal distribution of viral swarms and compare it to the time series of the influenza vaccines recommended by the World Health Organization. We introduce a method for predicting future dominant HA amino acid sequences and discuss its potential relevance to vaccine choice. We also investigate the relationship between cluster structure and the primary antibody-combining regions of the HA protein. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 9 |
| Volume Number | 99 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2002-05-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Hemagglutinins Genetics Influenza A Virus Mutation Vaccines Antibodies Metabolism Binding Sites Databases As Topic Genotype Influenza Vaccines Models, Genetic Multigene Family Time Factors Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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