Urgent measures to prevent bird flu epidemic from spreading (Vietnam Net) VietNamNet Bridge - 11 provinces nationwide are yet to be free from bird flu epidemic for 21 days, according to the Veterinary Department. These provinces include Bac Lieu, Bac Ninh, Ca Mau, Dien Bien, Hau Giang, Khanh Hoa, Nghe An, Ninh Binh, Quang Ninh, Quang Tri and Soc Trang. [News Source]