This course is a study of viruses and their effects on living organisms. Special emphasis will be placed on virus structure and classification, virus replication, viruses that infect bacteria, plants, and humans, and strategies for preventing virus infections. The contribution of viruses to the development of immunology, biotechnology, and other areas of science, and the role of viruses in evolution, the development of cancer, and bioterrorism will be examined. Prerequisites: BIOL 101, BIOL 221. (F;S)