Illegal Chinese vaccines blamed for new strains of African swine fever

(Natural News) New man-made strains of African swine fever are spreading in Chinese pig farms due to the use of illegal vaccines. The disease caused by the strains is not deadly but is expected to hurt pork output in the world’s top producing country. Yan Zhichun, chief science officer of New Hope Liuhe, China’s fourth-largest pork producer, said that two…