Ravi Ranjan

Hannah Duffey, MD, is an allergy and immunology provider who sees patients of all ages. She is especially interested in drug allergy, allergic asthma management, infantile eczema and food allergy, but she cares for patients with a large spectrum of allergic and immunologic conditions. She cares for patients with asthma, allergic rhinitis (hay fever), food allergy, eczema, drug allergy, urticaria (hives), angioedema (swelling), stinging insect allergy, anaphylaxis and eosinophilic disorders. Dr. Duffey completed her pediatric residency at the University of Utah and Primary Children’s Hospital. She then went to Colorado where she completed her allergy and immunology training at Children’s Hospital of Colorado and University of Colorado. She and her husband are excited to be back in Utah and enjoy spending time in the mountains.

Dr. John Kriesel graduated from Lake Forest High School in 1980 and then cum laude from the University of Illinois in 1984. He went on to graduate from Washington University Medical School in 1988. He came to Utah that year and completed a residency in Internal Medicine in 1991, and then a fellowship in Infectious Diseases (ID) in 1994. Dr. Kriesel joined the faculty at the University of Utah School of Medicine in 1996 with a primary appointment in Internal Medicine and Infectious Diseases. He was promoted to Research Associate Professor in 2007. He is currently board certified in Infectious Diseases and has been continuously since 1994. He is also an AAHIVM certified HIV specialist. Dr. Kriesel's primary interests here are in translational and clinical research. He discovered a major genetic contributor to human cold sores. His research projects include novel treatments of herpes simplex virus infections, antiviral vaccines, and microbiologic triggers of autoimmune diseases, including multiple sclerosis (MS) and sarcoidosis. He has recently demonstrated microbial RNA sequences that are over expressed in MS and sarcoidosis, suggesting causes to these autoimmune diseases. He has authored 49 original scientific papers and book chapters and has 3 U.S. patents. Dr. Kriesel's clinical responsibilities include infectious disease consultations at the VA and University Hospitals, General ID and HIV clinic at the University Hospital, and attending at the Salt Lake City STD Clinic. He participates in the education of medical students, allied health students, internal medicine residents, and infectious disease fellows.

The Spencer Fox Eccles School of Medicine at the University of Utah is dedicated to training the next generation of physicians and healthcare professionals through a mission-driven MD program and various medical education initiatives. With over 1,000 physicians and researchers across 23 departments, the school emphasizes excellence in teaching, research, and clinical practice in a rapidly evolving medical landscape. This institution prioritizes compassionate and equitable patient care, particularly for rural and underserved communities, and is renowned for its interdisciplinary research in critical areas such as genetics, cancer, and infectious diseases. By fostering a culture of respect and community engagement, the school aims to improve health outcomes and reduce disparities among all populations in Utah and the Mountain West. Generated from the website