In this case study, we were sent back to the CDC on January 3, 1970. We were put in the shoes of an epidemiologist who is presented with 3 very sick children from the same household. We were presented with the symptoms presented by the children. We were expected to study their surroundings, symptoms, and living conditions in order to diagnose the disease. after studying their story we found out that the had mercury poisoning and learned how their story ended.