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Marci Drees, M.D., MS, DTMH, FACP, FSHEA
Infection Prevention Officer and Hospital Epidemiologist
Marci Drees, M.D., MS, DTMH, FACP, FSHEA, is chief infection prevention officer and hospital epidemiologist. She joined ChristianaCare in 2007. Her other roles in the health system include providing care for patients living with HIV and/or hepatitis C for the William J. Holloway Community Program. Dr. Drees serves on the Healthcare-Associated Infections Advisory Committee for the Delaware Division of Public Health and the Delaware Immunization Coalition.
Her clinical research has covered topics such as infant mortality, flu vaccination, outpatient antibiotic use, health care-associated infections and disease outbreaks. She has participated in multi-site clinical trials and in writing national guidelines to prevent health care-associated infections.
Dr. Drees also is an associate professor in the Department of Medicine at the Sidney Kimmel Medical College of Thomas Jefferson University in Philadelphia.
Dr. Drees is a fellow in the American College of Physicians, the Infectious Diseases Society of America and the Society for Healthcare Epidemiology of America (SHEA). She served as SHEA’s liaison to the CDC’s Advisory Committee on Immunization Practice (ACIP) from 2020-2023, as the chair of SHEA’s Education Committee from 2021-2022 and as a Councilor on SHEA’s Board of Trustees from 2023-2024. As of January 2026, she will serve as secretary on SHEA’s Board of Trustees. She is board certified in internal medicine and infectious diseases.
| Specialties: | Infectious Disease Internal Medicine |
|---|---|
| Contact: | John H. Ammon Medical Education Center |
| Residency: | University of Colorado Health Sciences Center |
| Fellowship: | New England Medical Center Hospital |