HANOI, Dec. 15 (Xinhua) -- Bird flu reappeared in Vietnam's northern province of Thai Nguyen, killing 405 poultry, the Animal Health Department under the Ministry of Agriculture and Rural Development said on its website on Tuesday.

    The disease broke out in two communes of Thai Nguyen province from Dec. 9 to 11, according to the department.

    To prevent the spread of bird flu, local authorities have taken prevention measures including the destruction of 4,100 ducks, 102 chickens and 17,750 poultry eggs in the affected communes.

    Currently, Vietnam has two provinces affected by the H5N1 flu, namely the southern province of Ca Mau and the newly-reported Thai Nguyen province, said the department.