Pennan Barry

Pennan Barry, MD is a Volunteer Assistant Clinical Professor in the Department of Medicine at the University of California, San Francisco (UCSF). He holds a MD from Johns Hopkins University School of Medicine (2002) and an MPH from the Johns Hopkins Bloomberg School of Public Health (2001). He completed an Infectious Diseases Fellowship at UCSF (2009), an Epidemic Intelligence Service Fellowship at the CDC (2007), and an Internal Medicine Residency at Johns Hopkins Hospital (2005).

His research focuses on tuberculosis (TB) epidemiology, clinical management of drug-resistant TB, and public health interventions to reduce TB transmission. Key areas of expertise include TB co-infections (e.g., hepatitis B), healthcare disparities, environmental factors impacting TB outcomes, and translational research linking molecular data to clinical practice.

Recent work highlights include analyzing TB diagnostic delays during the 2020 pandemic, investigating wildfire smoke exposure's link to TB diagnoses, and evaluating novel treatment regimens for multidrug-resistant TB (MDR-TB). He collaborates with the California Department of Public Health Tuberculosis Control Branch to inform statewide policy.

Dr. Barry's publications (over 120 articles) span high-impact journals like Clinical Infectious Diseases, Lancet, and Thorax. His work emphasizes real-world applications of epidemiological insights to improve clinical outcomes and public health strategies.