A Chinese policeman keeps watch beside a sign "bird flu disinfecting station" in Taian county, Anshan city in Liaoning Province about 720 km (450 miles) from Beijing November 16, 2005. A senior Chinese official says H5N1 antibodies have been detected in a nine-year-old boy in Hunan province, the first admission of a human bird flu infection in China, the South China Morning Post reported on Wednesday. China's Health Ministry could not immediately confirm the report. REUTERS/Claro Cortes IV