An animal disease (zoonosis) maintained in nature by animals and transmissible to humans, e.g. rabies: One example of anthropozoonosis is brucellosis, an infectious disorder caused by brucella (non-motile-parasitic bacteria), characterized by fever, sweating, weakness, aches, and pains, and communicated to man by direct contact with sick animals or through ingestion of infected meat, milk, or cheese, and is particularly hazardous to veterinarians, farmers, and slaughterhouse workers.