Via Xinhua :
" HANOI, May 28 : Blue ear disease has spread to one more northern Son La province of Vietnam, raising the country's total number of municipalities and provinces hit by the disease to 16, said a report of the Department of Animal Health under the Ministry of Agriculture and Rural Development on Friday.
The disease struck one commune of the province, killing nearly 50 pigs out of 116 infected pigs, according to the provincial animal health bureau.
Provincial health official and local authority are currently taking appropriate measures to prevent the spread of the disease, said the report.
Blue ear disease is currently developing in 16 municipalities and provinces of Vietnam including Hai Duong, Thai Binh, Thai Nguyen, Hung Yen, Bac Ninh, Hai Phong, Hanoi, Nam Dinh, Ha Nam, Lang Son, Nghe An, Quang Ninh, Bac Giang, Hoa Binh, Cao Bang and newly reported Son La."