 These projects both stimulate and enhance ongoing technology development in technology and data cores.Fraser's current research is part of the Human Microbiome Project and is focused on how the structure and function of microbial communities in the human gastrointestinal tract change in association with diseases such as obesity and inflammatory bowel disease, and how these communities respond to interventions including oral vaccination and probiotics administration.In 2019, Fraser is serving a one-year term as President-Elect for the American Association for the Advancement of Science (AAAS), which will be followed by a one-year term as AAAS president starting in February 2020 and a one-year term as chair of the Board of Directors in February 2021.