Sarah Gaffen, PhD, elected fellow of the American Association for the Advancement of Science Jan 27, 2022 | ALL NEWS, Featured, Rheum News Professor of Medicine in the Division of Rheumatology and Clinical Immunology, Dr. Sarah Gaffen is an international expert on IL-17 and its role in autoimmune diseases. She is one of only four Pitt faculty to be elected to the AAAS this year. Read the Pittwire story here