This TED-Ed companion resource dives into the biology and public health impact of Salmonella, tracing how the bacterium contaminates food, survives the stomach, invades intestinal cells, and triggers immune responses. Students engage with 20 rigorous discussion questions, an expanded essay prompt, and a debate topic exploring agricultural regulation and food safety. Perfect for biology, public health, microbiology, and anatomy classes. Great for warm-ups, Socratic seminars, or foodborne illn