News of the WeekTHE 1918 PANDEMIC

Killer Flu With a Human-Pig Pedigree?

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Science  11 May 2001:
Vol. 292, Issue 5519, pp. 1041
DOI: 10.1126/science.292.5519.1041a

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LONDON-- Scientists have come up with a new explanation for what made the Spanish flu the biggest killer of the 20th century. The deadly influenza did not jump from birds into humans, they argue, but rather was the unfortunate result of an unprecedented recombination of pig and human flu genes.