Any disease caused by the entrance and multiplication of bacteria, viruses, fungi, protozoans, or metazoans in an organism. Students seeking an M.S. or Ph.D. degree in core areas of animal and human health can do so through the UW School of Veterinary Medicine's Comparative Biomedical Sciences (CBMS) Graduate Program. This highly ranked program integrates faculty from a wide variety of departments throughout the school and the UW-Madison campus and offers a unique research training experience for its students.