Assam bird flu due to migratory birds: Ramadoss (New Kerala) By Prashant K. Nanda, Chennai, Nov 29 : Migratory birds are behind the fresh outbreak of bird flu in Assam, Indian Health Minister Anbumani Ramadoss said Saturday, adding that culling operations had started in the northeastern state and 'inter-country bird movements are under close scrutiny'. [News Source]