How to make money in bitcoin, Fu Lijuan, chief physician of the Department of Infectious Diseases, Xiang'an Hospital, Xiamen University, once told the media that animal infections are mainly cattle, sheep, and pigs. "Rodents are rare in transmitting brucella. If a mouse is infected with brucella, it The source of the infection is whether we inoculated it or it was infected by other means. It must be clearly defined. Mice should not be the (primitive) source of infection. "She pointed out that in animal experiments, various viruses and bacteria were inoculated into rats and carried out. For experiments, its dissection or sampling is a common method.