S.C. Code Ann. § 47-13-510

"Brucellosis" (Bang's disease) shall mean the disease wherein an animal is infected with the Brucella organisms, irrespective of the occurrence or absence of an abortion. An animal shall be declared infected with brucellosis if it reacts to a serological test made in an approved laboratory or if the Brucella organisms have been found in the body or its secretions or discharges.