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drift |
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See: conatus, connotation, content, contents, course, detour, deviate, digress, digression, direction, gist, import, main point, meaning, prowl, signification, substance, tenor How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Antigenic drift of H5N2 viruses belonging to the Mexico lineage, resulting in lower identity (less similarity) to the vaccine strain, has been described (16). Antigenic drift refers to successive small point mutations that occur with successive replication. At present that is not the case, but influenza viruses are notorious for their ability to mutate via a process called antigenic drift. |
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