Workers put dead chickens into plastic bags at a poultry market in Hong Kong, December 21, 2011. A killing of more than 17,000 chickens started here after a chicken carcass was tested positive for the H5N1 avian influenza virus. [ICPress Photo]
Workers put dead chickens into plastic bags at a poultry market in Hong Kong, December 21, 2011. A killing of more than 17,000 chickens started here after a chicken carcass was tested positive for the H5N1 avian influenza virus. [ICPress Photo]