It is a germy world out there, and students are naturally curious about this hidden world. , a 30-lesson interdisciplinary science unit: In unit, students apply principles of epidemiology and microbiology to respond to a fictional epidemic and its effect on their town, all while building an understanding of the perseverance required to detect, track, and stop epidemics through the experiences of real-life epidemiologists and exploring career paths available in the diverse fields of medicine and microbiology. Suggestions and guidance are included on how teachers can adjust the rigor of learning tasks based on students' interests and needs. Grades 4-5