Examples of zoonoses are Brucellosis, Q fever, leptospirosis, and toxocariasis. The United States Army Biological Warfare Laboratories weaponized anthrax, tularemia, brucellosis, Q-fever and others. Oxytetracycline is especially valuable in treating nonspecific urethritis, Lyme disease, brucellosis, cholera, typhus, tularaemia. This includes acne, cholera, brucellosis, plague, malaria, and syphilis. Spotted hyenas may contract brucellosis, rinderpest and anaplasmosis. These include trichinosis, "Taenia solium", cysticercosis, and brucellosis. Certain rare or exotic infections, including anthrax, plague, and brucellosis, are also susceptible to tetracyclines. "B. abortus" is the principal cause of brucellosis in cattle. This phenomenon is also seen in serological tests for Brucellosis. "I saw smallpox, brucellosis, rabies, all sorts of things," he said. Disease, including various viruses, parasites and brucellosis, have a greater effect on bison population. Some have said he had malaria, or possibly brucellosis from unpasteurised dairy. Purebred bison in the Henry Mountains of southern Utah are free of brucellosis. Significant progress also has been made in vaccination for brucellosis. Brucellosis of sheep or goats has never been reported.