South Sudan

Burkina Faso














South Africa


Other Countries






Representative Publications:

Amos Otedo, MB,Ch.B; M.Med.(Int.Med; Dip.Gastroenterology; Kenneth O. Simbiri, MS, PhD.; Vincent Were, PhD.; Omolo Ongati, BSc, Maths., MSc, Ph.D; Benson A Estambale, MB;Ch.B; MScDTM&H.Ph.D. Risk factors for liver Cancer in HIV endemic areas of Western Kenya.Infectious Agents and Cancer (2018) 13:41

Kenneth O. Simbiri. Reconsidering the diagnostic progression of Conjunctival cancers in Developing Countries. SciFed Journal of Ocular Biology. SF J Ocular Biology, 2018, 2:1

Cristiana Bellan, Polito Maria Sole, Barbarino Marcella, Polito Ennio, Kenneth O. Simbiri, Giacomina Massaro-Giordano, and Antonio Giordano. Bilateral lacrimal gland mantle cell lymphoma: case report and literature review. J Clin Exp Ophthalmol 2016, 7:6. DOI: 10.4172/2155-9570.1000615.

Simbiri KO, Williams CK, Macaluso M, Giordano A. Promoting Cancer Control in Africa With "Ubuntu": A Report of the African Organization For Research and Training in Africa (AORTIC) 10th Conference, 2015 in Marrakech, Morocco. J Cell Physiol. 2016 Nov 1.

Kenneth O. Simbiri, Ph.D, Hem C. Jha, Ph.D, Giacomina Massaro-Giordano, MD and Erle S. Robertson, Ph.D. Transformation of primary conjunctival cells transfected with papilloma and herpesvirus oncogenes. Cancer and Clinical Oncology, Vol. 5, No. 2, November 2016.

Rogena EA, Simbiri KO, De Falco G, Leoncini L, Ayers L, Nyagol J. A review of the pattern of AIDS defining, HIV associated neoplasms and premalignant lesions diagnosed from 2000-2011 at Kenyatta National Hospital, Kenya. Infect Agent Cancer. 2015 Aug 24;10:28. doi: 10.1186/s13027-015-0021-1. eCollection 2015.

Daud II, Coleman CB, Smith NA, Ogolla S, Simbiri K, Bukusi EA, Ng'ang'a ZW, Sumba PO, Vulule J, Ploutz-Snyder R, Dent AE, Rochford R. Breast Milk as a Potential Source of Epstein-Barr Virus Transmission Among Infants Living in a Malaria-Endemic Region of Kenya. J Infect Dis. 2015 May 17. pii: jiv290. [Epub ahead of print]

Kenneth O. Simbiri, Ph.D, Hem C. Jha, Ph.D, David H. Henry, MD, and Erle S. Robertson, Ph.D. Anal cancer Patients in a Metropolitan Hospital present infection with multiple oncogenic viruses. Cancer and Clinical Oncology, Vol. 4, No.2 2: 2015.

Kenneth O. Simbiri, Ph.D, Nicholas A. Smith¶, B.S, Richard Otieno¶, MSc., Eric E M. Wohlford, Ph.D, Ibrahim I. Daud, MSc., Sumba P. Odada, Ph.D, Frank Middleton, Ph.D, and Rosemary Rochford Ph.D. Epstein –Barr Virus Genetic Variation in Lymphoblastoid Cell Lines derived from Kenyan Pediatric Population. PLoS One. 2015 May 1;10(5):e0125420. doi: 10.1371/journal.pone.0125420. eCollection 2015.

Daud II1, Ogolla S, Amolo AS, Namuyenga E, Simbiri K, Bukusi EA, Ng'ang'a ZW, Ploutz-Snyder R, Sumba PO, Dent A, Rochford R. Plasmodium falciparum Infection is Associated with Epstein-Barr Virus Reactivation in Pregnant Women Living in Malaria Holoendemic Area of Western Kenya. Matern Child Health J. 2015 Mar;19(3):606-14. doi: 10.1007/s10995-014-1546-4.

Simbiri KO, Jha HC, Kayembe MK, Kovarik C, Robertson ES. Oncogenic viruses associated with vulva cancer in HIV-1 patients in Botswana. Infect Agent Cancer. 2014 Aug 24;9:28. doi: 10.1186/1750-9378-9-28. eCollection 2014.

Christopher KO Williams, D Cristina Stefan, Fiona Rawlinson, Kenneth Simbiri and Sam M Mbulaiteye. The African Organisation for Research and Training in Cancer and its conferences: a historical perspective and highlights of the Ninth International Conference, Durban, South Africa, 21–24 November 2013. ecancer 8 396 / DOI: 10.3332/ecancer.2014.396

Simbiri Kenneth O and Robertson Erle S. Conjunctival Carcinoma in: R. Yarchoan (ed.), Cancers in People with HIV and AIDS: Progress and Challenges, DOI 10.1007/978-1-4939-0859-2_25, © Springer Science+Business Media New York 2014

Martha Tesfalul, BA, Kenneth Simbiri PhD, Chikoti M. Wheat, BA, Didintle Motsepe, MMed, Hayley Goldbach, BS, Kathleen Armstrong, MD, Kathryn Hudson, MD, Mukendi K. Kayembe, MD, Erle Robertson, PhD, Carrie Kovarik, MD. Oncogenic Viral Prevalence in Invasive Vulvar Cancer Specimens from HIV Positive and Negative Women in Botswana. Int J of Gyn Cancers 2013.

Kenneth O. Simbiri & Erle S. Robertson. Characterization of the OSSN Microbiome in HIV-1 Infected Patients. Cancer and Clinical Oncology. 2012: 1(1):88-101.

Kenneth O. Simbiri, Hem C Jha, Richard D Dzeng, Giacomina Massaro-Giordano, Erle S Robertson. Cytokine and Chemokine Expression Profiles in HIV-1 Infected Patients with Ocular Surface Squamous Neoplasia from Botswana. Cancer and Clinical Oncology. 2012: 1 (2): 10-24.

Karolyn A. Wanat, Phillip D. Holler, Tzvete Dentchev, Kenneth Simbiri, Erle Robertson, John T. Seykora, & Misha Rosenbach. Viral-Associated Trichodysplasia: characterization of a novel polyoma virus infection with therapeutic insights. Arch Dermatol. 2012;148(2):219-223.

Kenneth O. Simbiri, Masanao Murakami, Michael Feldman., Andrew Steenhoff, Oathokwa Nkomazana, Gregory Bisson, & Erle S Robertson. Multiple oncogenic viruses identified in ocular surface squamous neoplasia in HIV-1 patients. Infectious Agents and Cancer 2010, 5:6 26 March 2010.

Kenneth Omollo A. Simbiri, Alice Hausman, Rose O. Wadenya and Jeffrey Lidicker. Access Impediments to Health Care and Social Services Between Anglophone and Francophone African Immigrants Living in Philadelphia with Respect to HIV/AIDS. Journal of Immigrant and Minority Health. J Immigrant Minority Health (2010) 12:569–579.

Mameli, G., Deshmane, S.L., Ghafouri, M., Cui, J., Simbiri, K., Khalili, K., Mukerjee, R., Dolei, A., Amini, S., & Sawaya, B.E. (2007). C/EBPbeta regulates human immunodeficiency virus 1 gene expression through its association with cdk9. J Gen Virol. 88 (pt2): 631-40.

Eldeen, MB., Deshmane, S.L., Simbiri, K, Khalili, K., Amini, S., & Sawaya, B.E. (2006).MH2 domain of Smad3 reduces HIV-1 Tat-induction of cytokine secretion. J.Neuroimmunol.176 (1-2):174-180.

Kim, J.J., Simbiri, K.A., Sin J., Dang, K., Oh, J., Dentchev, T., Lee, D., Nottingham, L.K., Chalian, A.A., McCallus, D., Ciccarelli, R., Agadjanyan, M.G., & Weiner, D.B. Cytokine molecular adjuvants modulate immune responses induced by DNA vaccine constructs for HIV-1 and SIV. Journal of Interferon and Cytokine Research 19(1): 77-84, 1999.

Bourinbaiar, A. & Ajuang-Simbiri, K. Simple procedure for estimating the efficiency of PCR.Molecular Biotechnology 6(1):87-89, 1996.

Pollack, H., Zhan, M.X., Moore, T., Simbiri, K.O., Krasinski, K., & Borkowsky, W. Ontogeny of anti-human immunodefficiency virus (HIV) antibody production in HIV-1 infected infants. Proceedings of the National Academy of Sciences of the United States of America. 90(6): 2340-2344, 1993.

Borkowsky, W., Moore, T., Krasinski, K., Simbiri, K.O., & Holtzman, R. Evolution of phenotypic memory T cells in HIV-1 infected infants and children. Clinical Immunology and Immunopathology 63(3): 280-284, 1992.