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H7N9 avian flu

H7N9 refers to a subgroup of H7 influenza viruses that normally circulates among birds. Human infections of H7N9 have been reported in parts of China, with some people dying of severe pneumonia.

Workers wearing protective suits pictured in northern Japan culling ducks last month after an outbreak of bird flu. Photo: Reuters

China confirms third case of human bird flu in a week

The Chinese authorities have confirmed the country’s second and third cases of human bird flu infection this week as South Korea and Japan battle to control outbreaks of the deadly virus.

The new cases were in Shanghai and Xiamen in Fujian province in eastern China.

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