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R. Bradley Sack, MD


Departmental Affiliation(s):

International Health
Division: Global Disease Epidemiology and Control
Molecular Microbiology and Immunology (Joint)
Epidemiology (Joint)

Center & Institute Affiliation(s):

Contact Information

615 N. Wolfe Street
Room W5035
Baltimore , Maryland   21205



MD , University of Oregon Medical School , 1960
ScD , Johns Hopkins Bloomberg School of Public Health , 1968
MS , University of Oregon Medical School , 1960


Cholera and other Diarrheal diseases: I began work on cholera in Calcutta in 1952and have continued tht work to the present. Studies included microbiology, treatment, epidemiology and ecology. 1968 During that time our lab discoverred enterotoxigenic E. coli, which is know as the most frequent bacterial cause of diarrhea in small children living in the developing world. 1968 During this time, helped in the discovery, development ,and subsequent teaching of oral rehyardtion therapy for the treatemtn of secretory diseases 197 to present: Studies of epidemiology and ecology of cholera in rural Bangladesh

Honors and Awards

1956 Lewis and Clark College, Portland, Oregon: Graduated Summa Cum Laude. 1956-1960 University of Oregon Medical School: Selling Scholarships for two years, Graduated with highest honors, elected to Alpha Omega Alpha, Junior year. 1987Distinguished Alumni Award, Lewis & Clark College. 1990 Delta Omega Public Health Honorary Society, Alpha Chapter. Phi Beta Kappa, Elected as Alumni member, Lewis and Clark College, Portland, OR 2003 Peruvian National Academy of Medicine, Elected, Sept, 2003 2007 Samuel P. Asper Award for Achievement for Advancing International Medical Education, by the Johns Hopkins Medical and Surgical Association

  • diarrhea
  • cholera
  • enterotoxigenic E. coli
  • India
  • Bangladesb
  • Epidemiology
  • Ecology
  • Recent publications from total of 283

  • Sack, DA, Sack RB, Chaignat CL. Getting serious about cholera, NEJM, 2006,355:640-651

  • Huq A, Sack RB, Nizam A, Longini IM, Nair GB, Ali A, Morris JG Jr, Khan MN, Siddique AK, Yunus M, Albert MJ, Sack DA, Colwell RR. Critical factors influencing the occurrence of Vibrio cholerae in the environment of Bangladesh. Appl Environ Microbiol. 2005 Aug;71(8):4645-54.

  • .Sack RB. Prophylactic antimicrobials for traveler's diarrhea: an early history. Clin Infect Dis. 2005 Dec 1;41 Suppl 8:S553-6.

  • .Qadri F, Ahmed T, Ahmed F, Sack RB, Sack DA, Svennerhollm, AM, PTE study group, Safety and immunogencitiy of an oral, inactivated enterotoxigenic Eschierichi coli plus cholera toxin B subunit vaccine in Bangladesh children, 18-36 months of age, Vaccine, 2003 21 :3994-2403