Clare Rock, M.B.B.Ch., M.S., M.B. B.CH. B.A.O.

Headshot of Clare Rock
  • Associate Professor of Medicine

Research Interests

Role of human factors in infection prevention; Role of patient environment in infection transmission; Novel infection-related outcome measures for quality of care more


Clare Rock MD MS, Associate Professor of Medicine, Division of Infectious Diseases, Hospital Epidemiologist, Infectious Diseases Physician, and Core Faculty at the Armstrong Institute for Patient Safety and Quality, at Johns Hopkins School of Medicine, Baltimore, Maryland, US. Dr. Rock’s longstanding expertise as a physician-researcher is in healthcare epidemiology and infection prevention-focused on prevention of healthcare-associated infections, reduction of pathogen spread, in healthcare and community settings. Dr. Rock also has expertise in computerized clinical decision support implementation, leveraging the electronic health record to guide healthcare providers toward best diagnostic practices. Dr. Rock has over 50 peer-reviewed published academic manuscripts, multiple media (video and print) experiences including PBS NewsHour, is an elected councilor on the Society of Healthcare Epidemiology of America (SHEA) board of trustees, past Chair of SHEA Research Network, research co-director of the High-Value Practice Academic Alliance. Dr. Rock speaks nationally and internationally on infection-related topics including issues relating to COVID-19 pandemic. Dr. Rock has significant expertise in institutional COVID-19 support, including as Hospital Epidemiology and Infection Control COVID-19 Johns Hopkins Health System Incident Commander. Specific expertise and experience include COVID-19 testing strategies for the workplace, businesses, & community, return to work policies, return to business strategies, outbreak and cluster management, contact tracing, addressing COVID-19 vaccine hesitancy in the workplace, and community. Dr. Rock is leading federally (CDC) funded studies and co-leads a public health-academic partnership including Johns Hopkins School of Medicine and Maryland Department of Health; Statewide Prevention and Reduction Collaborative (SPARC).

You can follow Dr. Rock on Twitter @ClareRock1,  contact via Email [email protected], or LinkedIn more


  • Associate Professor of Medicine

Departments / Divisions



  • MB BCh BAO; UCD School of Medicine -University College Dublin (2004)


  • Internal Medicine; Connolly Memorial Hospital (2007)
  • Internal Medicine; Royal College of Physicians Ireland (2007)


  • Infectious Diseases; Royal College of Physicians Ireland (2012)
  • Infectious Diseases; University of Maryland Medical Center (2013)

Research & Publications

Activities & Honors


  • Resident Grand Rounds Competition Winner, Connolly Hospital, Ireland - 2007
  • Outstanding Teaching Award, University College Cork and South Tipperary General Hospital - 2008
  • Infectious Diseases Society of Ireland Research Award, Infectious Diseases Society of Ireland Research Award, Ireland - 2009
  • Ireland Fellows’ Clinical Case presentation winner, Infectious Diseases Society of Ireland Annual Scientific Meeting - 2009
  • ECCMID Award for high-quality abstract, European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) Award for high-quality abstract Milan, Italy - 2011
  • Trainee Travel Grant for Excellence in Abstract Submission ID Week™, IDSA - 2012
  • SHEA Epi Project Grant Award Winner, Society of Healthcare Epidemiology of America (SHEA) - 2013
  • Jonathan Freeman Scholarship SHEA Conference Award, Society of Healthcare Epidemiology of America (SHEA) - 2013
  • Graduate Program in Life Sciences MS Scholar Award - 2014
  • Top 5 Best Scientific Abstracts -Spring 2015, Society of Healthcare Epidemiology of America (SHEA) - 2015
  • SHEA Top Poster Abstract Award recipient, SHEA 2019
  • Costs of Care Teaching Value Award. Order Wisely: A new cross-specialty paradigm for ordering appropriateness continuing medical education. (C. difficile testing & treatment), Costs of Care


  • Infectious Diseases Society of America (IDSA), 2011
  • Society for Hospital Epidemiology of America (SHEA), 2011
  • American Society of Microbiology (ASM), 2014

Videos & Media

Recent News Articles and Media Coverage

Researchers use human factors engineering approach to improve room cleaning: Three-year study aimed at developing solutions to make environment safer. Hospitals & Health Networks Magazine. (March 2017)

Can You Work Out When You're Sick? Here's What Experts Say. (September 2018)

Johns Hopkins Researchers Working on Tool to Combat C. Difficile Overtesting, (12/2018)

Flu begins to Climb across the Country, Everyday Health (January 2019) 

Mindfulness in Infection Prevention, ClOsler (Closer to Osler) (February 2019)

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