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Nature Medicine 5, 384 - 385 (1999)
doi:10.1038/7383

The 1918 'Spanish' flu: pearls from swine?

Kennedy F. Shortridge1

  1. Department of Microbiology The University of Hong Kong University Pathology Building Queen Mary Hospital Hong Kong SAR China
    e-mail: microgen@hkucc.hku.hk


An unexpected marriage between modern biological technology and past records suggests that the influenza A (H1N1) viruses are a long-established family from China, not Spain.