Stony Brook Experts

an online search tool for members of the media to identify experts at Stony Brook

Search experts:


Browse experts:

View all departments View all topics View all experts Close
Bettina FriesChief, Division of Infectious DiseasesProfessor of MedicineMolecular Genetics and MicrobiologyRenaissance School of Medicine

Contact Information



Dr. Bettina Fries is chief of the Division of Infectious Diseases at Stony Brook Medicine, and is nationally recognized as a physician-scientist in the field of microbiology. She is a Professor of Medicine, Microbiology and Immunology at the Renaissance School of Medicine. She is also an attending at the Northport Veterans Affairs Medical Center. Nationally, Dr. Fries is a Fellow of the Infectious Disease Society and also a Member of the Academy of Microbiology of America. She has served as the President of the Infectious Diseases Society of New York from 2018-2019. She currently serves as the President of Medical Mycological Society of the Americas. Dr. Fries has received numerous extramural grant support, including 20 straight years of support by the National Institutes of Health. The primary focus of her research is on the pathogenesis of chronic fungal infections as well the development of monoclonal antibodies against multidrug-resistant bacteria.

The Division of Infectious Diseases led by Dr. Fries has worked tirelessly on new ways to combat the coronavirus through several clinical trials launched at Stony Brook. Dr. Fries has been the principal investigator on COVID-19 related trials including a trial on sarilumab efficacy. Dr. Fries is an advisor to the Stony Brook University Hospital's Hospital Incident Command System (HICS). Since the coronavirus pandemic began in March of 2020, Dr. Fries and the rest of the medical team have worked to help improve patient care, better protect health care providers, and allocate resources, among other things. 


  • Fellowship and Residency, Montefiore Medical Center/ Albert Einstein COM
  • MD, Albert Ludwig Universitaet Freiburg


Watch video