Margaret N. Kosek
Margaret N. Kosek

Margaret N. Kosek, MD

  • Associate Professor

Departmental Affiliations

  • International Health (Primary)
    • Division: Global Disease Epidemiology and Control

Center & Institute Affiliations

  • Center for Global Health

Contact Information

615 N. Wolfe Street
Room E5545
Baltimore, Maryland 21205

P:  410-955-5932

Personal website:


MD, Boston University, 1997


My research objectives are divided into three areas. The epidemiology and impact of enteric infections on child health; the improvement of disease burden estimates in child health and malaria epidemiology in the Peruvian Amazon.

Honors and honors

Excellence in advising award, Center for Global Health, 2011

Research Interests

  • diarrheal disease, enteric infection, environmental enteropathy, disease burden, child health, Shigella, Campylobacter, dysentery, nutrition, Neotropical Anopholines, malaria, tropical medicine


 Select Recent Publications

  • Lee G, Peñataro Yori P, Paredes Olortegui M, Caulfield LE, Sack D,Fischer Walker C, Kosek, M.  A diarrhea severity index for use in community based studies.  BMJ Open 2014;4(6):e004816.

  • Parker BS, Paredes Olortegui M, Penataro Yori P, Escobedo K, Florin D, Rengifo Pinedo S, Sifuentes Lopez V., Cardenas Greffa R, Capcha Vega L, Rodriguez Ferrucci, Banda Chavez C, Vinetz JM, Kosek M.  Indices of malaria transmission in high transmission areas frequented by occupation driven traveler in the Peruvian Amazon.  Malaria J 2013;12:178.  PMID:23724869.

  • Kosek M, Haque R, Lima A, Babji S, Shrestha S, Qureshi S, Amidou S, Mduma E, Lee G, Yori PP, Guerrant RL, Bhutta Z, Mason C, Kang G, Kabir M, Amour C, Bessong P, Turab A, Seidman J, Olortegui MP, Lang D, Gratz J, Miller M, Gottlieb M; for the MAL-ED network.  Fecal Markers of Intestinal Inflammation and Permeability Associated with the Subsequent Acquisition of Linear Growth Deficits in Infants.  Am J Trop Med Hyg 2012 Nov 26. [Epub ahead of print]  PMID:23185075.

  • Kosek M, Penataro Yori P, Gilman R, Calderon M, Jeri C, Pinedo V, Matthias M, Llanos-Cuentas A, Vinetz J.  High degree of Plasmodium vivax diversity in the Peruvian Amazon demonstrated by tandem repeat polymorphism analysis.  Am J Trop Med Hyg. 2012 Apr;86(4):580-6

  • Kosek M, Lavarello R, Gilman RH, Delgado J, Maguina C, Verastegui M, Lescano AG, Mallqui V, Kosek JC, Recavarren S, Cabrera L. Natural history of infection with Bartonella bacilliformis in a nonendemic population. J Infect Dis 2000; 182(3):865-872.  PMID: 10950782.