Monday, June 15, 2009

Swine Flu Origins Revealed



The flu virus(Credit: Wikimedia Commons)

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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