Judd L Walson
Affiliate Professor, Epidemiology
Affiliate Professor, Global Health
206-612-4571
jwalson1@jh.edu
Education
MPH Tufts University, 2000
BA Anthropology, Pitzer College, 1993
MD Tufts University, 2000
Contact
206-612-4571
jwalson1@jh.edu
Office Room E8527
615 N. Wolfe Street
Baltimore, MD 21205
Bio
Dr. Walson is chair of the Department of International Health at the Bloomberg School and the inaugural Robert E. Black Chair in International Health. Walson is a physician trained in Internal Medicine, Pediatrics, and Infectious Diseases with extensive experience working in research, public health programming, policy development, product development, and clinical practice. His research focuses on interventions to improve child survival, growth, and development in Africa and South Asia. He collaborates with ministries of health, NGOs, and academic partners in Bangladesh, Benin, Burkina Faso, India, Kenya, Malawi, Nepal, Pakistan, Thailand, and Uganda. Walson has conducted numerous trials investigating poor nutrition and infectious diseases to inform improvements in policy and programs globally. He has also worked in product development across vaccines, diagnostics, and devices.
He co-leads the Childhood Acute Illness and Nutrition (CHAIN) Network, a collaboration of experts working at institutions across sub-Saharan Africa and South Asia. The studies conducted under the network have led to the development of strategies to reduce mortality among acutely ill children. The research has also led to novel approaches enabling risk-differentiated care, ensuring those at highest risk are supported adequately both during and after contact with the health system. He also leads the DeWorm3 study—a large community cluster randomized trial focused on eliminating soil-transmitted helminths that has enrolled over 360,000 individuals in Benin, Malawi, and India. These intestinal parasites include roundworm and hookworm and are among the most common causes of infections in humans, disproportionately impacting communities living in poverty.
Research Interests
Child and Adolescent Health; Child Mortality; Diarrheal Diseases; Epidemiology; Global Health; Infectious Diseases; Malaria; Maternal Child Health; Neglected Diseases; Tropical Medicine
Recent Publications (PubMed)
(2025 Sep)
Open Forum Infect Dis 12(9): ofaf487
Tigoi C, Bourdon C, Ngari M, Musyimi R, Timbwa M, Mwaringa S, Ngao N, Maronga C, Mburu M, Ndirangu A, Arif F, Kazi Z, Ejaz MS, Saleem AF, Singa BO, Mupere E, Shahid ASMSB, Khan AF, Chisti MJ, Ahmed T, Lancioni C, Diallo A, Voskuijl W, Bandsma RH, Tickell KD, Sukhtanar P, Walson JL, Stoesser N, Berkley JA
(2025 Sep)
EClinicalMedicine 87(): 103428
Giles ML, Tabora C, Baccarini C, Barrientos L, Vargas JC, Montellano ME, Nguyen P, Deshmukh S, Neville M, Hohenboken M, van Boxmeer J, Jin H, Bugarini R, Liu X, Walson JL, Verhoeven C, Smolenov I
(2025 Oct 1)
Am J Trop Med Hyg 113(4): 839-843
Jog A, Deborah AA, Ramesh RM, Aruldas K, Baskaran Y, Walson JL, Krishnasastry S, Ajjampur SSR
(2025 Aug 2)
Lancet 406(10502): 475-488
Ajjampur SSR, Aruldas K, Ásbjörnsdóttir KH, Avokpaho E, Bailey R, Cottrell G, Galagan SR, Halliday KE, Houngbégnon P, Ibikounlé M, Israel GJ, Kaliappan SP, Kalua K, Legge H, Littlewood DTJ, Luty AJF, Manuel M, Massougbodji A, Means AR, Oswald WE, Pilotte N, Pullan R, Ramesh RM, Samikwa L, Simwanza J, Thomas KK, Williams SA, Witek-McManus S, Walson JL, DeWorm3 Trials Team
(2025 Jul 27)
BMJ Glob Health 10(7):
Somji S, Sudfeld CR, Duggan C, Manji K, Ahmed T, Chisti MJ, Dhingra U, Sazawal S, Singa B, Walson JL, Pavlinac PB, Bar-Zeev N, Houpt E, Dube Q, Kotloff KL, Sow SO, Yousafzai MT, Qamar FN, Bahl R, De Costa A, Simon JL, Ashorn P, ABCD Study Group
Show complete publication list
In the News
The Seattle Times, 04/15/2020
VICE News, 12/17/2018
New Vision, 02/16/2018
SPH News, 10/10/2014
SPH News, 03/11/2014
UW Today, 11/22/2013
UW Today, 08/01/2012
Seattle Magazine, 06/22/2012