No other cases of the H5N1 avian influenza have been reported from the same area, Xinhua reported.

CNN: Woman dies of bird flu in China

In 1997, authorities in Hong Kong killed about 1.5 million chickens after H5N1 avian influenza passed from birds to humans there.

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Two tests on the woman were positive for H5N1 avian influenza, but the government did not say how she might have contracted the virus.

FORBES: Bird Flu Claims More Lives In Shanghai

The reason for the enthusiasm: BioCryst's influenza neuraminidase inhibitor drug candidate, peramivir, received prominent and positive mention in a New York Times article about how some discarded drug candidates may have new possibilities in treating the H5N1 avian influenza that has broken out in Southeast Asia, which many public health officials fear could develop into a global pandemic.

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H5N1 remains an avian influenza and has not taken root in another species, such as pigs.

NPR: Bird Flu 101: How Bad Is The New H7N9 Strain?

Flavonoids and flu: Two plant-based flavonoids disease-fighting compounds found in many foods significantly impaired the infectious activity of H5N1 avian-flu virus in laboratory experiments and may form the basis of future influenza treatments, a report in Antiviral Research says.

WSJ: Sleep's Surprising Effects on Hunger