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Definition

Major change in influenza A viruses resulting in new hemmaglutinin and/or neuraminidase proteins, most people have little or not immunity against the new virus.

Keywords

Public Health Social Policy Major Change Antigenic Shift Neuraminidase Protein 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media LLC 2010

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