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The deadly Swine Flu influenza that has spread almost all over the world, is giving sleepless nights to people all over. People all over are scared and seeking information from all the sources.

The words ‘H’ and ‘N’ in the H1N1 stand for two proteins found on the surface of the swine flu virus: hemagglutinin (H) and neuraminidase (N). All influenza A viruses possess hemagglutinin and neuraminidase, but the structures of these proteins are different from strain to strain, due to rapid genetic mutation in the viral genome.


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