Disease

Four More Cases of Bird Flu Strain Reported in China

In critical condition

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Hong Kong (CNN) — Four more people in China have fallen ill from a strain of avian flu not previously detected in humans, the Chinese state-run news agency Xinhua reported, as authorities ramped up efforts to monitor the virus.

The four latest victims, from four different cities in the east coast province of Jiangsu, are in a critical condition and receiving emergency treatment, the provincial health bureau said Tuesday, according to Xinhua.