Indian health workers cull chicken in Bijoynagar , about 40 kms north of Agartala , capital of Indian northeastern state Tripura 24 April 2008 . Ten rapid response teams are camping to slaughter nearly 55 , 000 poultry to wipe out the remnants of bird flu . Tripura , which shares nearly 856 kilometers of international border with Bangladesh , has witnessed avian flu outbreak for the second time in less than a month . EPA / STR < 저작권자 ⓒ 2007 연 합 뉴 스 . 무단 전재 - 재 배포 금지 . >