This course investigates the basic properties and clinical aspects of important domestic and foreign animal viruses. Topics discussed include the nature, taxonomy, replication and pathogenesis of important virus families, as well as clinical and pathological characteristics, methods of diagnosis, epidemiology, and methods of treating, preventing and controlling the spread of specific viral diseases of veterinary significance. This course examines helminthic, protozoan, and arthropod parasites which affect domestic animals, including animal parasites transmissible to humans. Life cycles, identification, transmission, diagnosis, prevention, and treatment of parasites are stressed in lecture. The laboratories focus on identification of parasites, and the clinical signs and lesions they produce.