Petros Karakousis
Distinguished in HIV/AIDS

Dr. Petros Karakousis

Infectious Disease
Johns Hopkins Medicine
The Johns Hopkins Hospital
1800 Orleans Street, 
Baltimore, MD 

Distinguished in HIV/AIDS
Johns Hopkins Medicine
The Johns Hopkins Hospital
1800 Orleans Street, 
Baltimore, MD 
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Overview

Dr. Petros Karakousis is a Professor of Medicine at the Johns Hopkins University School of Medicine. He has joint appointments in Molecular Microbiology & Immunology and International Health at the Johns Hopkins Bloomberg School of Public Health. His areas of clinical expertise include infectious diseases and tuberculosis. Dr. Karakousis received his undergraduate degree in 1994 from the Johns Hopkins University and his medical degree in 1998 from Washington University School of Medicine in St. Louis. He completed residency training in internal medicine in 2001 at the Hospital of the University of Pennsylvania. After completing fellowship training in infectious diseases at Johns Hopkins, he joined the Department of Medicine faculty in 2005. His research interests include tuberculosis pathogenesis, Mycobacterium tuberculosis persistence and antibiotic tolerance, host-pathogen interactions and host-directed therapies. Dr. Karakousis was named a Fellow of the Infectious Diseases Society of America in 2010, and was elected to the American Society for Clinical Investigation in 2021. He has held numerous leadership positions, including in the Working Group on New TB Drugs of the Stop TB Partnership. He has served on the editorial board of various scientific journals and on numerous NIH study sections, and as a peer reviewer for many international government and private funding agencies.

Dr. Karakousis is rated as a Distinguished provider by MediFind in the treatment of HIV/AIDS. His top areas of expertise are HIV/AIDS, Myelitis, AIDS Dysmorphic Syndrome, and AIDS Dementia Complex.

His clinical research consists of co-authoring 134 peer reviewed articles. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 6 articles in the study of HIV/AIDS.

Residency
Hospital of the University of Pennsylvania, Internal Medicine, 2001
Specialties
Infectious Disease
Licenses
Internal Medicine in MD
Board Certifications
American Board Of Internal Medicine
Fellowships
Johns Hopkins University School of Medicine, Infectious Diseases, 2005
Languages Spoken
English
German
Greek
Russian
Spanish
Gender
Male

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Locations

The Johns Hopkins Hospital
1800 Orleans Street, Baltimore, MD 21287
Call: 410-955-5000

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.


134 Total Publications

The Phosphate-Specific Transport System Gene pstA1 Contributes to Rifampin Tolerance in Mycobacterium tuberculosis.
The Phosphate-Specific Transport System Gene pstA1 Contributes to Rifampin Tolerance in Mycobacterium tuberculosis.
Journal: bioRxiv : the preprint server for biology
Published: November 24, 2025
View All 134 Publications
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Dr. Kelly Gebo is a graduate of The Johns Hopkins University School of Medicine. She also earned an MPH in Epidemiology from The Johns Hopkins Bloomberg School of Public Health. She completed residency training in Internal Medicine at The Johns Hopkins Hospital followed by an infectious diseases fellowship and two additional years of fellowship training as a Robert Wood Johnson Clinical Scholar, also at Hopkins. Her clinical and research interests include clinical outcomes and healthcare utilization research within infectious diseases. She was Director of the JHU Public Health Studies Program between the Krieger School for Arts and Sciences and the Bloomberg School for Public Health, was an American Council of Education Fellow (hosted at the University of Pennsylvania) and was the inaugural Vice Provost for Education at Johns Hopkins. She was on sabbatical at Stanford University School of Medicine 2019-20 and served as the Chief Medical and Scientific Officer for the All of Us Research Program 2018-2020. She currently serves as the director of the Johns Hopkins Clinical Research Scholars Program and is Deputy Director of the Johns Hopkins Institute for Clinical and Translational Research. She has mentored undergraduate, public health and medical students, trainees, and junior faculty on infectious diseases and health services projects. She has authored or co-authored numerous chapters and over 250 papers. She is a member of the American Society of Clinical Investigation and has been awarded the David Levine Prize for mentoring at Johns Hopkins. LinkedIn https://www.linkedin.com/in/kelly-gebo-13377811/. Dr. Gebo is rated as a Distinguished provider by MediFind in the treatment of HIV/AIDS. Her top areas of expertise are HIV/AIDS, Myelitis, AIDS Dysmorphic Syndrome, and AIDS Dementia Complex.

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Baltimore, MD 
 (3.1 miles away)
410-550-9080
Languages Spoken:
English, Spanish
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Dr. Trevor Crowell is an adjunct assistant professor at the Johns Hopkins University School of Medicine. His areas of clinical expertise include HIV/AIDS, sexually transmitted infections, and other infectious diseases. Dr. Crowell earned his M.D. from the University of Southern California Keck School of Medicine and his Ph.D. in clinical investigation from the Johns Hopkins Bloomberg School of Public Health. He completed his residency at Case Western Reserve University/University Hospitals Case Medical Center and completed a fellowship in infectious diseases at Johns Hopkins. In addition to serving as a staff physician at Bayview Medical Center, Dr. Crowell is an Associate Director at the U.S. Military HIV Research Program, Walter Reed Army Institute of Research. He is also an assistant professor of medicine at the Uniformed Services University of the Health Sciences. Dr. Crowell is rated as a Distinguished provider by MediFind in the treatment of HIV/AIDS. His top areas of expertise are HIV/AIDS, Gonorrhea, Sepsis, and Chlamydia.

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Areas of Expertise

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