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Swine flu origins revealed

Tags: infectious disease, university of arizona

[Source: ScienceDaily] - A new analysis of the current swine-origin H1N1 influenza A virus suggests that transmission to humans occurred several months before recognition of the existing outbreak.

The work, published online in Nature June 10, highlights the need for systematic surveillance of influenza in swine, and provides evidence that new genetic elements in swine can result in the emergence of viruses with pandemic potential in humans.

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