A worker is seen at a poultry processing factory in Changzhi, Shanxi province, Saturday, Jan 5, 2008. Bird flu has killed 4,850 poultry in Turpan, northwest China's Xinjiang Uygur Autonomous Region, Xinhua News Agency said Friday. The outbreak occurred in Turpan, a city in the Xinjiang region, on Dec. 29 and a state laboratory confirmed the presence of the pathogenic H5N1 virus on Thursday.[Agencies]