Despite advances in technology and social expectations, food safety remains a significant threat to human health and social stability. In the first part of this course, students explore food-borne pathogens of public health significance, the ecology of microorganisms in food, and their implications for food safety. Students examine current food-related issues through a one health lenses with a focus on food safety, food security, and food defense. Legislation and social issues related to biotechnology in food and food sustainability movements are explored. Consideration of these topics from the local, national, and global perspectives help students achieve appreciation for the role of public health in food protection.