Sean X. Leng, MD, PhD

Sean X. Leng, MD, PhD, is the 2022 Salisbury Family CIM/HAP Scholar. Dr. Leng is a Geriatrician and an Immunobiologist and a Professor of Geriatric Medicine, Molecular Microbiology and Immunology the Schools of Medicine and Public Health.  He has been in the forefront of discovery related to aging-related immune remodeling and how it influences influenza and COVID-19 infections, and how it impacts immune system vaccination response in older adults.   He has previously established a longitudinal study of the effectiveness of influenza vaccine in adults over age 75, as well as a new COVID-19 vaccination study.  He recently secured a large NIH center grant to study age-related changes in immune mechanisms that impact protection against influenza in older adults.  This and other funding recently allowed Dr. Leng to establish the Johns Hopkins Center on Aging and Immune Remodeling (JH CAIR).  Dr. Leng also leads Hopkins’ effort to promote the development of Geriatric Medicine in China, and serves as President of Milstein Medical Asian American Partnership (MMAAP) Foundation.  The MMAAP focuses on the the development of senior healthcare and aging research in China and greater Asia.