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A Health Department official wearing protective gear culls a bird at a poultry farm after bird flu virus was detected, in Lembucherra area near Agartala, India, Friday, Jan. 27, 2012. More than 2,000 birds were culled in Agartala in the north eastern Indian state of Tripura after reports of deaths of poultry birds in the area, blood samples were collected examined and H5 strain of avian influenza virus was found, according to the local agency Press trust of India. (AP Photo/Sushanta Das) AP