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


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, which was the deadliest respiratory pandemic of the 20th century and killed between 50 and 100 million people. Researchers detected mutations in the make-up of the H1N1 virus – or swine flu – t...

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