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H7N9 avian flu

The influenza A (H7N9) virus is one subgroup among the larger group of H7 viruses that normally circulate among birds. A number of human infections of the H7N9 virus have been reported in eastern China, mostly in the Yangtze River Delta region since late March 2013. Some of the patients have died of severe pneumonia brought on by the virus.  

Two chickens waiting for delivery to a market in Anshun, Guizhou Province. Photo: AFP

China's 2014 bird flu death toll rises to nearly 100

Almost 100 people in China have died from the H7N9 bird flu strain in the first three months of the year, but the number of both fatalities and infections declined in March, government figures showed.

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