
Nasia Safdar MD
Assistant Professor, Medicine, University of Wisconsin Medical School
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600 Highland AveMadison, WI 53792
Phone+1 608-263-0943
Fax+1 608-265-8885
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Education & Training
University of Wisconsin Hospitals and ClinicsResidency, Internal Medicine, 2002 - 2003
University of Wisconsin Hospitals and ClinicsFellowship, Infectious Disease, 2000 - 2002
University of Wisconsin Hospitals and ClinicsResidency, Internal Medicine, 1997 - 2000
Aga Khan Medical CollegeClass of 1995
Certifications & Licensure
WI State Medical License 1999 - 2027
American Board of Internal Medicine Infectious Disease
Clinical Trials
- A Pilot Trial to Determine the Efficacy of VSL#3 for Reducing Colonization by VRE Start of enrollment: 2008 Oct 01
- A Pilot Trial to Determine the Efficacy of Lactobacillus Rhamnosus for Reducing Colonization by Methicillin-resistant Staphylococcus Aureus (MRSA) (PROSE) Start of enrollment: 2010 Jan 01
- Impact of Probiotics for Reducing Infections in Veterans: The IMPROVE Study Start of enrollment: 2011 Oct 01
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Publications & Presentations
PubMed
- Health care worker experiences with a universal gloving intervention to prevent Clostridioides difficile infection: A qualitative study.Julie A Keating, Linda McKinley, Katherine Dolan, Helene Moriarty, Cara Ray
American Journal of Infection Control. 2025-10-03 - 2 citationsOral Vancomycin for Prevention of Recurrent Clostridioides difficile Infection: A Randomized Clinical Trial.Julie A Keating, Tinghui Xu, Mary Beth Graham, Mayur Ramesh, Sahil Khanna
JAMA Network Open. 2025-07-01 - Food insecurity modifies the association between the gut microbiome and the risk of cognitive impairment in adults.Shoshannah Eggers, Zachary E Hoggarth, Kiran Nagdeo, Maria J Banas, Jamil M Lane
Npj Aging. 2025-06-18
Journal Articles
- Fecal Microbiota Transplantation for the Treatment of Recurrent and Severe Clostridium Difficile Infection in Solid Organ Transplant Recipients: A Multicenter ExperienceRaj Vuppalanchi, Adam Ehrlich, Michael Smith, Asif Sharfuddin, Nasia Safdar, Nirmal Kaur, Elizabeth Ann Misch, Monika Fischer, Ann Flynn, Vincent Ganapini, Michael H W..., American journal of transplantation
- Research Agenda for Microbiome Based Research for Multidrug-Resistant Organism Prevention in the Veterans Health Administration SystemDale N Gerding, Loreen Herwaldt, Daniel J Diekema, Nasia Safdar, Matthew Samore, Infection Control and Hospital Epidemiology
- Setting the Research Agenda for Preventing Infections from Multidrug-Resistant Organisms in the Veterans Health AdministrationEli N Perencevich, Nasia Safdar, Infection Control and Hospital Epidemiology
Authored Content
- Hospital-Acquired Infections Are Rising – Here’s How to Protect Yourself in Health Care SettingsJuly 2024
- Using Virus Sequencing to Determine Source of SARS-CoV-2 Transmission for Healthcare WorkerAugust 2020
- The Wrong Frame of MindMay 2018
Press Mentions
‘Vaccines Don’t Save Lives. Vaccinations Do’: Experts Talk Vaccine Safety, MisinformationOctober 30th, 2025
Prophylactic Vancomycin May Reduce Risk for Recurrent C. DifficileJuly 17th, 2025
Despite Vancomycin's Performance Against Placebo, Both Options Had Relatively High CDI Recurrence Rates 8 Weeks After Treatment Completion in 81 Patients Randomized to Either Prophylactic Oral Vancomycin or Placebo (43.6% vs 57.1%,July 2nd, 2025- Join now to see all
Grant Support
- Dietary Fiber-Microbiome Interactions: Elucidating Mechanisms to Suppress Multi-Drug Resistant Organisms in the Human GutDUKE UNIVERSITY2025–2029
- BCCMA: Targeting Gut-Microbiome in Veterans Deployment related Gastrointestinal and Liver diseases; CMA5- Functional metagenomics in GWI-related gut dysfunctionWM S. MIDDLETON MEMORIAL VETERANS HOSP2023–2027
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