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Our Saint Louis University Infectious Diseases faculty physicians are recognized national and international experts in treatment of various diseases and immune deficiency disorders. They are actively involved in developing and updating national and international patient care guidelines for improved diagnosis and treatment of diseases.

Our board certified ABIM faculty are very experienced and treat a wide range of patients with a variety of cases.

Headshot of Getshun Abate

Getahun Abate, M.D., Ph.D.

Associate Professor of Infectious Diseases

Dr. Getahun Abate is an Infectious Diseases specialist who practices general Infectious Diseases. His research interest is mycobacterial diseases and emerging infectious diseases.

Headshot of Sharon Frey

Sharon Frey, M.D., F.A.C.P., F.I.D.S.A.

Professor of Infectious Diseases

Dr. Frey is a Ralph Kinsella Endowed Chair in Internal Medicine, Associate Director of Clinical Research in the Division of Infectious Diseases, Allergy and Immunology at Saint Louis University (SLU) and is the Clinical Director for the SLU Center for Vaccine Development.  Dr. Frey is a highly experienced vaccine clinical trialist with research emphasis on vaccines to counter bioterrorism/biowarfare, pandemic influenza, COVID-19, respiratory infections, and other diseases. Dr. Frey is a past member of the DHHS’ Office of Aids Research Advisory Council and the CDC’s Advisory Committee on Immunization Practices (ACIP). She enjoys teaching residents and students and mentoring junior faculty.  

Headshot of Sarah George

Sarah George, M.D.

Professor of Infectious Diseases

Dr. Sarah George, Professor of Infectious Diseases, practices general Infectious Disease and HIV care.  She has been the Principal Investigator on 10 NIH and industry-sponsored clinical trials, conducting phase I-III vaccine and treatment trials on COVID19, dengue, Zika, yellow fever, influenza, chikungunya, and pneumococcus.  Her NIH and VA-funded laboratory research measures immunity to flavivirus vaccines and infections; she has also worked on HIV/flavivirus coinfections.  Dr. George has joint appointment at the St. Louis VA Medical Center.  

Headshot of Geoffrey Gorse

Geoffrey Gorse, M.D.

Adjunct Professor and Emeritus Professor of Medicine

Dr. Gorse has been a faculty member in the ID Division at SLU since 1989. He serves as an attending physician in inpatient and outpatient clinical care activities, and didactic and patient-based teaching.  He has interests in evaluation, treatment and prevention of respiratory virus infections and has been an investigator on many viral vaccine clinical studies.

Headshot of Alexis Guenette

Alexis Guenette, D.O.

Assistant Program Director of Infectious Diseases Fellowship
Assistant Professor of Infectious Diseases

Dr. Alexis Guenette, DO is a Professor of Infectious Diseases who specializes in transplant medicine.

Headshot of Daniel Hoft

Daniel Hoft, M.D., Ph.D.

Division Director of Infectious Diseases and Allergy & Immunology

Dr. Hoft, Professor of Internal Medicine at St Louis University School of Medicine. His specialty area is Infectious Diseases, with a particular interest in Tuberculosis. This aligns with his research interest in vaccine development employing precision medicine methods. Dr. Hoft received his medical education from the University of Missouri at Columbia and completed his internal medicine, infectious disease and PhD training in microbiology/immunology from the University of Iowa Hospital and Clinics. In 2018, he was named a fellow of the Academy of Science of St Louis for excellence in public communication, mentoring, and leadership in the field of infectious diseases and vaccine research.

Headshot of Rong Hou

Rong Hou, M.D.

Assistant Professor of Infectious Diseases

Dr. Rong Hou is an attending physician in inpatient clinical care activities, didactic and patient-based teaching

Headshot of Joann Jose

Joann Jose, M.D., M.P.H.

Program Director of Infectious Diseases Fellowship
Assistant Professor of Infectious Diseases

Dr. Jo-Ann Jose treats patients with infectious diseases, specializing in HIV care and prevention. Additional areas of clinical interest include tropical medicine and parasitology, determinants of health inequities, antimicrobial stewardship, medical education, global health/international medicine, travel medicine, public health, health care systems and processes. She uses a highly collaborative approach in her practice, providing a safe and welcoming medical environment, education and counseling about treatment options, and shared decision making with the patient.

She currently serves as the medical director of the SLUCare Infectious Diseases outpatient clinic, the physician director of the SLUH AMS Team, and the program director for the ID fellowship at SLU. Her research interests include HIV-related clinical research and quality improvement measures, medical education research and clinical research related to antimicrobial stewardship.

Headshot of Nongnooch

Nongnooch Poowanawittayakom, M.D., M.P.H.

Assistant Professor of Infectious Diseases

Dr. Nongnooch Poowanawittayakom, MD, MPH, is an Assistant Professor and attending physician in the Infectious Diseases Division at SLUH.  She chairs the infection control committee and provides both transplant and general infectious disease inpatient and outpatient consultations. Her infectious disease fellowship and public health training (including Global health certificate) were at the University of Massachusetts Chan Medical School, and she attended the Mahidol University Medical School in Bangkok, Thailand.  Her clinical interests include management of hepatitis C, HIV, fungal infections in immunocompromised hosts and bone and joint infections