In the 1950s, Li Tsung-tao, sometime chairman of the Sino-American Joint Commission on Rural Reconstruction and president of National Chung Hsing University, and others began "domesticating" the virus in rabbits-the swine-fever virus would multiply in the rabbits 'spleens, but wouldn't kill them.
到了民國 40 年代，曾擔任農復會主委、中興大學校長的李崇道等人，開始在兔子的體內「馴化」病毒──豬瘟病毒會在兔子脾臟中增殖，但卻不能殺死兔子。