Eleven people who had direct contact with chicken infected with H5N2 avian influenza virus are in quarantine on Monday in north China's Hebei Province, according to local government. So far none have shown any symptoms nor been confirmed as infected with the virus, Xinhua quoted the Nanshi district government of Baoding City in Hebei as saying. On Sunday, areas within 3 km of a poultry farm where an H5N2 outbreak occurred last week were sealed off. On Dec. 17, 4,000 chickens at the farm were killed after they showed symptoms avian flu, according to the Ministry of Agriculture. The National Avian Influenza Reference Laboratory on Saturday confirmed the epidemic was H5N2 after testing samples collected at the farm. Local authorities have sealed off and sterilized the infected area, and a total of 125,700 chickens have now been culled and safely disposed of. Bird flu, or avian influenza, is a contagious disease of animal origin caused by viruses that normally only infect birds. It can be fatal to humans. From Dec. 15 to 19, four new human cases of H7N9 bird flu were confirmed in south China's Guangdong Province. East China's Jiangxi Province also confirmed a human case of H10N8, a new strain of bird flu, last Wednesday.
