According to the National Steering Committee for the prevention of avian influenza, in August, recurrent avian influenza began in some provinces and cities, mainly in the north and central regions due to the H5N1 virus group 188.8.131.52 branch (group C). This virus group appeared in Quang Ngai, spread along the highway from north to south so the risk of spread in the current period is very high. In two weeks, the country has incurred two outbreak of avian influenza in Peace, killing nearly 1,000 birds and Tuyen Quang, killing 17,406 birds. Up to now, there are eight provinces with avian influenza within 21 days including: Ha Tinh 4 drive, Nam Dinh Ninh Binh 4 drive 3 the Bac Kan 1 hard drive, Quang Ngai 17 drive, Tuyen Quang 8 hard, Thanh Hoa 1 hard and Peace 2 outbreak.
Hà Tĩnh có 4 ổ dịch, Ninh Bình 4 ổ, Nam Định 3 ổ, Bắc Kạn 1 ổ, Quảng Ngãi 17 ổ, Tuyên Quang 8 ổ, Thanh Hóa 1 ổ và Hòa Bình 2 ổ dịch.