Walter Jaoko, MBChB, PhD, PGD

Professor of Medical Microbiology and Tropical Medicine, University of Nairobi

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.

Publications

  1. Kwendakwema, CN, Eastment, MC, Wanje, G, Richardson, BA, Mwaringa, E, Sherr, K et al.. Cross-sectional study evaluating organizational climate, change commitment, and change efficacy for predicting family planning clinics' success in increasing HIV counseling and testing in Mombasa, Kenya. PLOS Glob Public Health. 2025;5 (12):e0005542. doi: 10.1371/journal.pgph.0005542. PubMed PMID:41474700 PubMed Central PMC12755772.
  2. Oketch, D, Njoroge, R, Ngere, I, Gachohi, J, Waiguru, S, Omia, D et al.. Design of a Prospective Human-Animal Cohort Study to Evaluate the Role of Camels and Other Livestock Species in the Transmission of Brucella spp. to Humans in Kenya. Int J Environ Res Public Health. 2025;22 (12):. doi: 10.3390/ijerph22121859. PubMed PMID:41464492 PubMed Central PMC12733042.
  3. Okutoyi, L, Godia, P, Adam, M, Sitati, F, Jaoko, W. Medical Error Reporting among healthcare workers in a Kenyan tertiary level hospital: a knowledge, attitude, and practice study. BMC Health Serv Res. 2025; :. doi: 10.1186/s12913-025-13886-0. PubMed PMID:41408530 .
  4. Kanyi, H, Odongo, D, Jaoko, W, Gass, K, Chieng, B, Araka, S et al.. The role of molecular xenomonitoring for assessing the impact of Ivermectin, Diethylcarbamazine Citrate and Albendazole triple-drug treatment against lymphatic filariasis: A cross-sectional study in the Kenyan coastal region. PLOS Glob Public Health. 2025;5 (12):e0004877. doi: 10.1371/journal.pgph.0004877. PubMed PMID:41401149 PubMed Central PMC12707650.
  5. Oketch, DCO, Muriuki, SW, Omia, D, Osindi, B, Njoroge, R, Kessie, JA et al.. Integrating Ethnography and Structural Equation Modelling to Assess Brucellosis Knowledge, Attitude, and Practices among Pastoralist Communities in Kenya. medRxiv. 2025; :. doi: 10.1101/2025.10.17.25338227. PubMed PMID:41282713 PubMed Central PMC12633119.
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