Seasonal flu may be a direct descendant of the 1918 'Spanish flu' - Daily Mail

Researchers in Berlin detected mutations in the make-up of the H1N1 virus - or swine flu - that may have helped it better adapt to human hosts.

The seasonal human flu virus may have descended from the 1918 Spanish flu strain, new research suggests. The findings are based on an analysis of samples collected in Europe during the 1918 pandemic… [+5439 chars]

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