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Kenrad E. Nelson, M.D.

Photo of Dr. Kenrad E. Nelson, M.D.
  • Joint Appointment in Medicine

Research Interests

HIV/AIDS; Tropical medicine; Leprosy; Nosocomial infections; Hepatitis; Epidemiology; Infections in drug users; Tuberculosis; Liver cancer


Dr. Kenrad Nelson holds a joint appointment in medicine at the Johns Hopkins University School of Medicine. He is a professor of epidemiology with a joint appointment in international health at the Johns Hopkins Bloomberg School of Public Health. His research focuses on epidemiology, infectious diseases and tropical medicine.

His team is currently conducting research on the linkage of HIV infection to drug use as part of the ALIVE study.

Dr. Nelson earned his M.D. from Northwestern University. 

A former president of the American Epidemiological Society, Dr. Nelson received the U.S. Civilian Research & Development Foundation Recognition Medal for his medical research in the Republic of Georgia. He is a fellow of the American Association for the Advancement of Science. more

Research & Publications

Research Summary

Dr. Nelson’s research focuses on HIV/AIDS; tropical medicine; leprosy; nosocomial infections; hepatitis B, C and E; infections in drug users; transfusion-transmitted infections; tuberculosis; and Penicillium marneffei and viral-induced liver cancer.

He has directed studies of populations in the United States, including injection drug-user patients with HIV/AIDS and blood donors and transfusion recipients, as well as in several international sites, including Thailand, Bangladesh, China and the Republic of Georgia.

Selected Publications

Fwu CW, Chien YC, Nelson KE, Kirk GD, You SL, Kuo HS, Feinleib M, Chen CJ. "Mortality after chronic hepatitis B virus infection: a linkage study involving 2 million parous women from Taiwan." J Infect Dis. 2010 Apr 1;201(7):1016-23.

Tian F, Wang J, Huang Y, Guo X, Yun Z, Yang T, Nelson K, Schreiber GB, Ness P, Shan H. "Psychological and behavioural impacts of the 2008 China earthquake on blood donors." Vox Sang. 2010 Mar 1. [Epub ahead of print]

Nelson KM, Thiede H, Hawes SE, Golden MR, Hutcheson R, Carey JW, Kurth A, Jenkins RA. "Why the wait? Delayed HIV diagnosis among men who have sex with men." J Urban Health. 2010 Feb 26. [Epub ahead of print]

Fu Y, Wang Y, Xia W, Pybus OG, Qin W, Lu L, Nelson K. "New trends of HCV infection in China revealed by genetic analysis of viral sequences determined from first-time volunteer blood donors." J Viral Hepat. 2010 Feb 25. [Epub ahead of print]

Yang C, Latkin C, Luan R, Nelson K. "Condom use with female sex workers among male clients in Sichuan Province, China: the role of interpersonal and venue-level factors." J Urban Health. 2010 Feb 9. [Epub ahead of print]

Academic Affiliations & Courses

Courses and Syllabi

  • Epidemiology of Infectious Diseases (340.627.01)
  • Epidemiology of Infectious Diseases (340.627.81)
  • Emerging Infections (340.651.01)
  • Topics in Infectious Disease Epidemiology (340.668.89)

Activities & Honors


  • Fellow, American Association for the Advancement of Science, 2007
  • President, American Epidemiological Society, 2006 - 2007
  • Recognition Medal for International Training and Collaboration in Medical Research with Republic of Georgia, U.S. Civilian Research & Development Foundation (CRDF), 2005
  • Honorary Doctoral Degree in Public Health, Chiang Mai University, Chiang Mai, Thailand, 1994
  • Delta Omega Academic Honorary Society, Johns Hopkins School of Hygiene and Public Health, 1989
  • Fellow, American Epidemiological Society, 1982
  • Fellow, Infectious Diseases Society of America, 1974

Professional Activities

  • President, American Epidemiological Society, 2006

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