© 2009 Andrea Liatis, Emory University and Amanda Lockhart, Decatur High School. Creating Active Student Engagement in the Sciences (CASES Online), Emory University. After reading short scenes aloud, students discuss their observations about bacterial and viral infections and the role of antibiotics in fighting disease. They research the structures and functions of viruses and bacteria as well as the modes of transmission, and they present their findings to the class. Used with permission.
