Prof. Walter Jaoko

Position: Mentor
Categories: Mentor

Walter Jaoko, MBChB, PhD, PGD is a professor of medical microbiology and tropical medicine, Director of KAVI, and former Chair of the Department of Medical Microbiology at the University of Nairobi. He has thirty years of experience in teaching and research in various aspects of infectious disease transmission, pathology, treatment, prevention, and control.

He has published 166 articles in peer-reviewed scientific journals. He also has 16 years of management experience as Deputy Director of an Institute and Chairman of Department at the University of Nairobi, and 10 years of experience in governance as a member and chair of several Boards. In addition, he has a keen interest in health research ethics and received advanced training in research ethics through a Fogarty Grant of the NIH leading to a Postgraduate Diploma in Health Research Ethics from Stellenbosch University.

He is very personate about clinical research and ethical standards in the conduct of health research in developing countries and has trained research ethics committee members in Kenya on principles of bioethics, and on international guidelines and regulations of research ethics.


  1. Sabo, MC, Lokken, EM, Srinivasan, S, Kinuthia, J, Richardson, BA, Fiedler, TL et al.. Changes in vaginal bacteria and inflammatory mediators from periconception through early-postpartum in a cohort of HIV-negative Kenyan women. J Infect Dis. 2023; :. doi: 1093/infdis/jiad168. PubMed PMID:37207618.
  2. Aunon, FM, Wanje, G, Richardson, BA, Masese, L, Odeny, TA, Kinuthia, J et al.. Randomized controlled trial of a theory-informed mHealth intervention to support ART adherence and viral suppression among women with HIV in Mombasa, Kenya: preliminary efficacy and participant-level feasibility and acceptability. BMC Public Health. 2023;23 (1):837. doi: 1186/s12889-023-15638-3. PubMed PMID:37158872PubMed Central PMC10169479.
  3. Njaanake, KH, Omondi, J, Mwangi, I, Jaoko, WG, Anzala, O. Urinary interleukins (IL)-6 and IL-10 in schoolchildren from an area with low prevalence of Schistosoma haematobium infections in coastal Kenya. PLOS Glob Public Health. 2023;3 (4):e0001726. doi: 1371/journal.pgph.0001726. PubMed PMID:37018184PubMed Central PMC10075406.
  4. Maleche-Obimbo, E, Odhiambo, MA, Njeri, L, Mburu, M, Jaoko, W, Were, F et al.. Magnitude and factors associated with post-tuberculosis lung disease in low- and middle-income countries: A systematic review and meta-analysis. PLOS Glob Public Health. 2022;2 (12):e0000805. doi: 1371/journal.pgph.0000805. PubMed PMID:36962784PubMed Central PMC10021795.
  5. Pulei, AN, Lokken, EM, Kinuthia, J, Richardson, BA, Mandaliya, K, Jaoko, W et al.. Derivation and Internal Validation of a Risk Score for Predicting Chlamydia trachomatis Infection in Kenyan Women Planning Conception. Sex Transm Dis. 2023; :. doi: 10.1097/OLQ.0000000000001795. PubMed PMID:36877639 .