This lab used an ELISA test to simulate the sharing of bodily fluids and determine which students were exposed to and transmitted a contagious disease. The ELISA test relies on antibodies to detect antigens produced during an immune response to exposure. The results showed students 1, 2, 8, and 10 were infected, while students 1 and 10 transmitted the disease. ELISA is commonly used in real world applications such as pregnancy tests, disease detection, and testing for food safety and GMOs.