William Mayer Garneau, M.D., M.P.H.

Headshot of William Mayer Garneau
  • Assistant Professor of Medicine


Emergency Medicine, Internal Medicine

Research Interests

mpox; COVID-19; OMOP; clinical outcomes; emerging diseases; informatics ...read more


The Johns Hopkins Hospital

600 N. Wolfe Street
Meyer Building, Suite 8-134
Baltimore, MD 21287
Phone: 410-955-5000
The Johns Hopkins Hospital - Google Maps


Dr. William Garneau is a native of Durham, North Carolina. He graduated from Yale University with a degree in English and served as a middle school teacher in the Peace Corps in Namibia. He is a graduate of the University of North Carolina School of Medicine and earned a Master of Public Health at the UNC Gillings School of Global Public Health. He completed internal medicine residency training at the Johns Hopkins Hospital and is an assistant professor of medicine in the Division of Hospital Medicine.

In 2023 he received a KL2 mentored Career Development award from the National Institutes of Health.  He is currently enrolled in the Graduate Training Program in Clinical Investigation at the Johns Hopkins Bloomberg School of Public Health.

Dr. Garneau's research uses observational data to study health outcomes including novel therapies and emerging illnesses.  His prior research includes studies of mpox and COVID-19.  He additionally serves as a lead informaticist with the Critical Path Institute's CURE ID project.

His clinical responsibilities include providing direct care to hospitalized patients, serving as a medicine consultant to surgical services, and attending on resident teaching teams.  In addition to his clinical work, Dr. Garneau is a Barker Firm Faculty member and teaches students in the Johns Hopkins School of Medicine as well as the Osler Medical Residency Training Program.

...read more


  • Assistant Professor of Medicine

Departments / Divisions



  • MD; University of North Carolina School of Medicine (2016)


  • Medicine; Johns Hopkins University School of Medicine (2019)

Board Certifications

  • American Board of Internal Medicine (Internal Medicine) (2019)

Research & Publications

Technology Expertise Keywords

R, Stata, REDCap, SQL

Selected Publications

View all on PubMed

Garneau WM, Jones JL, Dashler GM, Mostafa HH, Judson SD, Kwon N, Hamill MM, Gilliams EA, Rudolph DS, Keruly JC, Fall A, Klein EY, Hansoti B, Gebo KA. Risk Factors for Hospitalization and Effect of Immunosuppression on Clinical Outcomes Among an Urban Cohort of Patients With Mpox. Open Forum Infect Dis. 2023 Dec 5;10(12):ofad533. doi: 10.1093/ofid/ofad533. PMID: 38058459; PMCID: PMC10697423.

Garneau WM, Jones-Beatty K, Ufua MO, Mostafa HH, Klein SL, Burd I, Gebo KA. Analysis of Clinical Outcomes of Pregnant Patients Treated With Nirmatrelvir and Ritonavir for Acute SARS-CoV-2 Infection. JAMA Netw Open. 2022 Nov 1;5(11):e2244141. doi: 10.1001/jamanetworkopen.2022.44141. PMID: 36445705; PMCID: PMC9709643

Vick JB, Goetsch MR, Hochberg CH, Azadi JR, Hasan RK, West NE, Garneau WM. It All Depends: A Case of a Position-Dependent Intracardiac Shunt. Am J Med. 2022 Dec;135(12):1443-1446. doi: 10.1016/j.amjmed.2022.07.008. Epub 2022 Jul 23. PMID: 35882284

Manothummetha K, Chuleerarux N, Sanguankeo A, Kates OS, Hirankarn N, Thongkam A, Dioverti-Prono MV, Torvorapanit P, Langsiri N, Worasilchai N, Moonla C, Plongla R, Garneau WM, Chindamporn A, Nissaisorakarn P, Thaniyavarn T, Nematollahi S, Permpalung N. Immunogenicity and Risk Factors Associated With Poor Humoral Immune Response of SARS-CoV-2 Vaccines in Recipients of Solid Organ Transplant: A Systematic Review and Meta-Analysis. JAMA Netw Open. 2022 Apr 1;5(4):e226822. doi: 10.1001/jamanetworkopen.2022.6822. PMID: 35412626; PMCID: PMC9006106

Hammami MB, Garibaldi B, Shah P, Liu G, Jain T, Chen PH, Kim AK, Avdic E, Petty B, Strout S, Fine DM, Niranjan-Azadi A, Garneau WM, Cameron AM, Monroy Trujillo JM, Gurakar A, Avery R. Clinical course of COVID-19 in a liver transplant recipient on hemodialysis and response to tocilizumab therapy: A case report. Am J Transplant. 2020 Aug;20(8):2254-2259. doi: 10.1111/ajt.15985. Epub 2020 Jun 3. PMID: 32359210; PMCID: PMC7267667

Academic Affiliations & Courses

Graduate Program Affiliation

Graduate Training Program in Clinical Investigation (GTCPI)

Courses and Syllabi

  • Barker Firm Faculty
    Osler Medical Residency Program

Activities & Honors


  • Inductee, Gold Humanism Honor Society, 2014
  • Inductee, Eugene S. Mayer Honor Society for Community Service, 2013
  • Benjamin H. Kean Traveling Fellowship in Tropical Medicine, American Society of Tropical Medicine and Hygiene, 2012
  • KL2 Mentored Clinical Research Scholar Award, NIH / National Center for Advancing Translational Sciences, 2023


  • American Medical Informatics Association
  • Society of Hospital Medicine

Videos & Media

Lectures and Presentations

  • Order Wisely in the Hospital Setting: Cardiac Monitoring
    Invited Presentation, Conference, High Value Practice Academic Alliance National Conference, Baltimore, MD (11/15/2019)
    High Value Practice Academic Alliance
  • Hepatic Abscess: An unusual complication of Klippel- Trenaunay Syndrome
    Poster Presentation, Academic Conference, American College of Physicians Maryland Annual Meeting, Baltimore, MD (05/18/2017)
    American College of Physicians Maryland
  • Going Beyond Limited Evidence: An Approach for Guideline Panels to Help Reduce Overdiagnosis by Providing Additional Guidance
    Oral Presentation, International Conference, Preventing Overdiagnosis Conference, Bethesda, MD (09/02/2015)
    Centre for Evidence-Based Medicine
  • IgA nephropathy initially presenting with rhabdomyolysis
    Poster Presentation, Annual Meeting, American College of Physicians North Carolina Annual Meeting, Durham, NC (02/13/2015)
    American College of Physicians North Carolina
  • A descriptive study of the prevalence of virologic failure among patients receiving viral load testing at Lighthouse HIV clinic, Lilongwe, Malawi
    Poster Presentation, Scientific Session, Student Research Day, Chapel Hill, NC (01/17/2013)
    UNC School of Medicine
  • Clinical Outcomes Among In- And Outpatients With Mpox In An Urban Health System
    Poster Session, International, Conference on Retroviruses and Opportunistic Infections, Seattle, Washington (02/21/2023)
    International Aids Society USA
  • Hospitalist “niches”: Small Grants To Promote Hospitalist Faculty Research
    Poster Session, National, Converge, Austin, Texas (03/27/2023)
    Society of Hospital Medicine
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