A course that examines the interdependence between human health, animal health and environmental health. The One Health approach to the threat of emerging infectious diseases includes understanding the interconnectedness of human and animal pathogens, epidemic zoonoses and corresponding environmental factors, insights into mechanisms of microbial evolution towards pathogenicity, new technologies and approaches towards disease surveillance, and political and bureaucratic strategies. This is a writing intensive course. Prerequisites: BIOL 291 and BIOL 293. Pre- or corequisite: BIOL 292 and BIOL 294; a Microbiology course is recommended.