Doctor Dumais was a Tau'ri scientist and Atlantis expedition member. During the first year that she was with and inspecting the storm-damaged parts of the city and was in the same category with Rodney McKay, Radek Zelenka and Aiden Ford. She was with and explored a Ancient lab, which Dr. Johnson and Dr. Wagner discovered. Lt Aiden Ford asked why at the time that the virus came to, and she explained that the virus could lie dormant in a long time and wake up. And just when she began to see shadows, she ran straight into the Hays. A few seconds later, she died and became the fourth victim of the virus.(SGA: "Hot Zone")