From Wall Street Journal:
Chinese agriculture officials ordered the slaughter of more than 300,000 chickens after they found poultry infected with a lethal form of avian influenza — the first such outbreak publicly reported in mainland China since June.
The discovery of the H5N1 form of the bird-flu virus in two areas of Jiangsu province northwest of Shanghai follows recent outbreaks in India, Hong Kong and Southeast Asia, raising the risk of human infections during the winter.
After routine testing turned up signs of the H5N1 virus in chicken eggs on farms in two locales, the agriculture ministry said it moved to kill 377,000 chickens and ban the transport of poultry in or out of the affected areas.