Via HealthDay, as the title suggests, the deeper with get into this pandemic, the more we are learning about it. So one cannot be complacent about H1N1 because it may just surprise anyone at anytime.
" The 2009 H1N1 "swine flu" virus shares remarkable similarities with strains that were rampant early in the 20th century, two teams of scientists report.
These structural similarities help explain why older people seemed to be less affected by H1N1 during the latest pandemic, researchers say, and they also point the way to better vaccines against the strain.
In one report, published in the March 25 online edition of Science, a team at The Scripps Research Institute and elsewhere say that the structure of the hemagglutinin (the influenza virus envelope protein) found on H1N1 is very similar to that of strains seen almost 100 years ago."
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