Yu-Hsiang Hsieh, Ph.D., M.S.

Headshot of Yu-Hsiang Hsieh
  • Associate Professor of Emergency Medicine

Research Interests

Infectious diseases epidemiology (Trends, Risk Factors, Prevention, and Outcomes) in ED settings and ED management of patients with infectious diseases; Cost-effectiveness of ED-based HIV testing program using agent-based modeling approach; Epidemiology of non-infectious diseases in ED or disaster settings; Adherence of ED management and practices to ACEP, CDC, or other guidance ...read more


Dr. Hsieh is an associate professor in the department of emergency medicine. He, training in infectious diseases epidemiology, has extensive experience in infectious diseases diagnostics, HIV/sexually transmitted infection screening, epidemiology, and biostatistical data analysis. For the past 17 years he has been a collaborator on many projects conducted by the Division of Infectious Diseases at The Johns Hopkins University.

Since joining the department in 2005, Dr. Hsieh began building his research career, translating his skills in epidemiology and biostatistics to focused studies in acute aspects of HIV, sexually transmitted infections and other infectious diseases which are commonly presented to emergency or acute care settings, as well as studies in disaster medicine and preparedness. He is an author of 117 peer-review articles and over 150 conference abstracts.

He has served as invited reviewer for: Society for Academic Emergency Medicine, Society for Epidemiologic Research Annual Meeting; International AIDS Conference; International AIDS Society Conference on HIV Pathogenesis, Treatment and Prevention; Physicians’ Information and Education Resource (PIER);  American College of Physicians-American Society of Internal Medicine; International Trachoma Initiative (ITI); and 27 peer-reviewed journals including: New England Journal of Medicine, Journal of Acquired Immune Deficiency Syndromes; American Journal of Epidemiology; American Journal of Public Health, American Journal of Emergency Medicine, Western Journal of Emergency Medicine, HIV Medicine, PLoS One; Sexually Transmitted Infections; Medical Care; BMC Infectious Diseases, BMC Public Health, BMJ Open, Current HIV Research; International Journal of STD & AIDS; Sexual Health; Scandinavian Journal of Infectious Diseases; Clinical Microbiology and Infection; Disaster Medicine and Public Health Preparedness; Journal of Public Health Management & Practice; Diagnostic Microbiology and Infectious Disease; Journal of Women’s Health; International Journal of Women's Health; Infectious Diseases in Obstetrics and Gynecology; Journal of Postgraduate Medicine; SAHARA Journal; and Ophthalmic Epidemiology.

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  • Associate Professor of Emergency Medicine

Departments / Divisions



  • Ph.D.; Johns Hopkins Bloomberg School of Public Health (Maryland) (1998)
  • M.S.; National Taiwan University (Taiwan) (1993)

Research & Publications

Research Summary

Dr. Hsieh is the epidemiologist/statistician in the Department of Emergency Medicine with whom we work closely on other projects.  For the STD POCT study, he will perform basic interim statistical analyses when needed. He will perform statistical analysis and set up models of the data obtained from laboratory analysis, as well as analysis of focus group (clinician and patient) questionnaires, performing univariate and multivariate analyses in order to finalize results of the analysis for publication of the project. He will also assist with data interpretation and manuscript preparation.

Selected Publications

View all on PubMed

Hsieh Y-H, Kelen GD, Laeyendecker OB, Kraus CK, Quinn TC, Rothman RE. HIV Care Continuum for HIV-Infected Emergency Department Patients in an Inner-City Academic ED. Annals of Emergency Medicine 2015 66:69-78.

Rothman RE, Saheed M, Hsieh Y-H. Infectious disease/CDC update. Detection of acute HIV infection in two evaluations of a new HIV diagnostic testing algorithm--United States, 2011-2013. New HIV Technology and Algorithms. Closing Some Windows; Opening Others. Annals of Emergency Medicine 2014 63:56-60 (Editorial).

Haukoos JS, Lyons MS, White DA, Hsieh Y-H, Rothman RE. Acute HIV Infection and Implications of 4th Generation HIV Screening in Emergency Departments. Annals of Emergency Medicine 2014 64:547-51 (Editorial).

Hsieh Y-H, Haukoos JS, Rothman RE. Validation of an Abbreviated Version of the Denver HIV Risk Score for Prediction of HIV Infection in an Urban Emergency Department. American Journal of Emergency Medicine 2014 32:775-9.

Hsieh Y-H, Gauvey-Kern M, Peterson S, Woodfield A, Deruggiero K, Gaydos CA, Rothman RE. Novel Emergency Department Registration Kiosk for HIV Screening Increases Engagement of High Risk Patients. Journal of Telemedicine and Telecare 2014 20:454-9.

Activities & Honors


  • Co-Investigator: “Using Kiosks for HIV Point-of-Care Testing in the Emergency Department”., The Gilead Foundation
  • Co-Investigator: “Center for Point-of-Care Technologies Research for Sexually Transmitted Diseases”., National Institute of Health
  • Co-Investigator: “The National Center for Preparedness and Catastrophic Event Response (PACER) Clinical Utility of Preemptive Surge Measures Enacted as a Result of Conventional and Internet-Based Influenza Surveillance”., US Department of Homeland Security

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

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