Prof. Anthony Kebira Nyamache

Name: Anthony Kebira Nyamache Department: Biochemistry Microbiology & Biotechnology Designation: Associate Professor Email: This email address is being protected from spambots. You need JavaScript enabled to view it. Specialization: Medical Microbiology-Virology Research Interest: Infectious disease: transmission dynamics and antimicrobial/viral drug resistance Google Scholar  ORCIDS ID Download Full CV

Publications

Peer Reviewed Journals

• Mabeya, S N, , Nyamache, A.K; Lihana R: Distribution of HIV-1 subtypes among HIV infected individuals in Kisii County, Kenya under preparation
• Njeru P.M, Mabeya S.N, Maingi J, A.K Nyamache. Prevalence and genetic diversity and drug resistance of Hepatitis B virus infections among HIV infected Individuals in Kisii County Kenya. under preparation
• Kamau J.N. Nonoh J, A.K Nyamache.. Genetic diversity, prevalence and risk factors associated with Hepatitis B infection among women attending antenatal in ^st.Orsola Hospital, Tharaka County Kenya under preparation
• Mabeya, S N,^, Nyamache, A.K; Lihana R: Distribution of HIV-1 subtypes among HIV infected individuals in Kisii County, Kenya under preparation
• Mungelu C.N, Mabeya S.N, Maingi J, Muthini M, A.K Nyamache, HIV-1 gp 41 genetic diversity, glycosylation and enfuvirtide resistance associated mutations among enfuvirtide naïve patients in Kisii County, Kenya. under review Ethiopia J. Health science
• Nyamache A.K, S.A. Khamadi and M. O Oyaro. Genetic diversity, distribution and co-infections of Hepatitis B virus, Hepatitis C virus, and HIV-1 in Africa: A systemic review. submitted
• Koigi P, Otieno M, Ngugi C. Nyamache A. K.. (2024). HIV-1 genetic diversity and among drug experienced patients in Nairobi, Kenya. under review 2024 by AIDS and Hum Retros J.
• Mabeya, S,^, Nyamache, A.K; Ngugi, C.; Nyerere, A; Lihana R.:  (2024). HIV type 1 drug resistance monitoring in a HIV-1 endemic settings of Kisii, Kenya Under review by Hindawi Advanced Virology Journal. 2:101;
• Mwangome L.E, Ntabo R, Nyamache A.K. (2024) Sero-profiles and risk factors in Hepatitis B Virus infection among gravid women in Dadaab, Garissa, Kenya.  East African Medical Journal accepted
• Mbuvi C, Musila B. N, Nyamache A.K (2024) Antimicrobial resistance in bacteria isolated from urogenital infections among women, Kitui, Kenya. Accepted gull proof The East African Health Research Journal.2024:8(1):1-8 a head of print.
• Josiah, J. M., Nyamache, A. K., Woldemariyam, F. T., Kariuki, C. K., Paeshuyse, J., & Kamau, J. M. (2024). Serotype Diversity of Foot And Mouth Disease Virus and Molecular Characterization of Serotype O Strains from 2019 and 2020 Outbreaks in Kenya. Benha Veterinary Medical Journal, 46(1), 81-86.
•  Muriuki N. P, Ateya., L., Binepal Y.S., Lutomiah J, Wasonga C, Kiraithe M M. Nyamache A. K, (2023) Evaluation of Protective Efficacy of Inactivated Thermostable Vaccine Against Nairobi Sheep  Disease Virus. International J. of Innovative Science and Research Technology 8:(5),2762-2768
• Miriti, D. M., Muthini, J. M., & Nyamache, A. K. (2023). Study of bacterial respiratory infections and antimicrobial susceptibility profile among antibiotics naive outpatients visiting Meru teaching and referral hospital, Meru County, Kenya in 2018. BMC microbiology, 23(1), 1-8.
• Ntabo R, A.K Nyamache , W.Lwande , J. Kabii  R.S Odhiambo J. Nonoh (2021). Antimicrobial activity and GC-MS analysis of bacterial endophyte GD4SAL isolated from the mangrove, Sonneratia alba. BMC Microbiology Journal
• Lem E. Abongwa, Fokunang C, A. K. Nyamache, P. Okemo, L. A. Tchapda, Yengo Clauvis,Takou Désire. Fokam J, Aubain Nanfack, Teto G., and J. N. Torimiro. Clinically Important Mutations in HIV-1 Protease and Reverse Transcriptase Regions Associated to Resistance to Antiretroviral First Line Regimen in Cameroon" PLos One Under review
• Mutai I.J, Georges M , Nyachieo  A, Odoyo E , Nyamache AK , Ngalla J. Evaluating The Effectiveness of A Non-Locally Developed Commercial Phage Cocktail on Kenyan Pseudomonas aeruginosa Isolates (2023) J. of Microbiology and Infectious Diseases; 13 (1):25-30
• Mutai I J, Martin I. Inyimili , Lilian Musila, Nyamache, A. K.,  (2022) Atunga Nyachieo. Efficacy of diversely isolated lytic phages against multi drug resistant clinical isolate Enterobacter cloacae accepted in African. Afri. J. of Lab. Med 10 (1) 10.4102/ajlm.v11i1.1673
• Abongwa, L. E., Nyamache, A. K., Charles, F., Torimiro, J., Emmanuel, N., Domkam, I., ... & Okemo, P. (2022). Risk factors of severe hepatotoxicity among HIV-1 infected individuals initiated on highly active antiretroviral therapy in the Northwest Region of Cameroon. BMC gastroenterology, 22(1), 1-8.
• Kyule D.N Maingi JM, Mugendi N. E, Nyamache A.K, "Molecular Characterization and Diversity of Bacteria Isolated from Fish and Fish Products Retailed in Kenyan Markets", International Journal of Food Science, vol. 2022, Article ID 2379323, 12 pages, 2022. https://doi.org/10.1155/2022/2379323
• Omanyo, P. W., Nyamache A.K ., Keraka, M., Kikuvi, C., & Wanyoike, P. K. Factors Associated With Malaria, Intestinal Helminths, And Their Coinfection Among Pregnant Women Attending ANC In Kanduyi Sub-County, Kenya. International Journal of Innovative Research and Advanced Studies (IJIRAS) 8:11:25-30 , 2021
• Aberi R, A K Nyamache, E. Juma, M Mwangi, F Muendo,W.Githui.(2021). Magnitude and Geographical Distribution of Nontuberculous Mycobacteria among People Presumed to Have Pulmonary Tuberculosis in Kenya. African Journal of Health Sciences 34(6) 6 696-705
• Lem Edith Abongwa,  Judith Ndongo Torimiro, Nyamache A.K,, Paul Okemo; Laure Arlette Tchapda, Yengo Clauvis; Takou Désire, Fokunang Charles:  Transmitted HIV-1 Drug-resistance Mutations among Newly Diagnosed Patients of the North Western Region of Cameroon  Intern’ J.l of Trop. Dis & Health, 42(21): 1-12, 2021
• Too E., Soi R., Ogali I, Masila E., Nyamache A.K (2021) Comparative analysis of sugar stabilizers on stability of thermo-tolerant Peste des petits ruminants virus vaccine. Accepted East african agricultural and forestry E. Afri. Agri. For.  J:85, 1-4, 262 – 270.
• Kyule DN, Maingi J.M, Njeru E.M and Nyamache A.K. (2021). Characterization and antibiotic resistance patterns of bacteria from fish products retailed at various markets in Kirinyaga County, Kenya East African Medical Journal 98:11: 2021
• Tweya M, Maingi JM, ., Nyamache, A. K, Nyachieo A. (2022).  Safety and efficacy assessment of bacteriophages isolated from Kibera, Kenya wastewater plant, against Multidrug-Resistant Pseudomonas aeruginosa infection in BALB/c mice. American Journal of Infectious Diseases and Microbiology,10 (1) 11-21.
• Kasera G.O., Onyango K.O., Maingi J., Nyamache A.K,. (2021) Prevalence and genetic diversity of HAV and HBV viruses among jaundice patients at coast general hospital, Mombasa County, Kenya  Malaysian Journal of Medical Sciences - Malays J Med Sci. 2021;28(3):56–64.
• Onyango, K. O., Nyamache, A. K., Kasera, G. O., Mabeya, S. N., & Nonoh, J. O. (2021). Hepatitis B and C virus co-infections and genetic diversity among HIV-1 infected individuals in Siaya County, Kenya. East African Medical Journal, 98(2), 3508-3518.
• Mustapha, A.M., Musembi, S., Nyamache, A.K. Machani G.M, Kosgei J, Wamuu L, Ochomo E & Lobo NF (2021). Secondary malaria vectors in western Kenya include novel species with unexpectedly high densities and parasite infection rates. Parasites Vectors 14, 252
• Kasera G.O., Onyango K.O.., Maingi J., Nyamache A.K, (2021) Hepatitis B virus genetic heterogeneity and drug resistance among jaundiced patients at Coast General Teaching and Referral Hospital, Mombasa County, Kenya. accepted: Internat. J. of Health Scie. 15(3), 20-25.
• Abongwa, L. E., Torimiro, J. N., Nyamache, A. K., Fokunang, C., Yengo, C. K., & Okemo, P. (2021). Development of hepatotoxicity in individuals harbouring different HIV subtypes and drug-resistant variants in Cameroon. East African Med J.  98(1), 3424-3433.
• Ngai, D. G., Nyamache A.K, Ombori, O. (2021). Prevalence and antimicrobial resistance profiles of Salmonella species and Escherichia coli isolates from poultry feeds in Ruiru Sub-County, Kenya. BMC resear notes, 14(1), 1-6.
• Nyasimi. A.G, Stella, K., John, M., Nyamache A.K. (2020). Variation of Total Coliforms and Bacteria during Dry and Wet Seasons in Rivers of Sigor Division, West Pokot County, Kenya. J. of Adv in Microb 41-51.
• Nyasimi. A.G,, Kirui, S., Maingi, J., & Nyamache A.K (2019). Effects of Seasonality on Physico-Chemical Properties and Selected Ligands on Rivers in Sigor Division, West Pokot County, Kenya. Aquademia , 3(1), ep19012
• Nyagaka, B., Musyoki, S. K., Karani, L., Nyamache A.K,. (2020). Characteristics and treatment outcomes of HIV infected elderly patients enrolled in Kisii Teaching and Referral Hospital, Kenya. African Health Sciences, 20(4), 1537-45.
• Karani, L. W., Musyoki, S., Orina, R., Nyamache A.K., Khayeka. W. C., & Nyagaka, B. (2020). Human papillomavirus genotype profiles and cytological grades interlinkages in coinfection with HIV. The Pan African Med. Journal, 35(67). 2020.
• Mabeya, S,^, Nyamache, A.K; Ngugi, C.; Nyerere, A; Lihana R.:  (2020). Characterization of HIV-1 Integrase Gene and Resistance Associated Mutations Prior to Roll out of Integrase Inhibitors by Kenyan National HIV-Treatment Program in Kenya. Ethiopian  J Health Sci.;30(1):447.
• Nyagaka, B., Musyoki, S. K., Karani, L., Nyamache, A. K. (2020). HIV infection and immunosenescence: a comparison of immune status and t cell homing markers between hiv infected and uninfected elderly individuals in kisii, Kenya. African Health Sciences, 97(8),2991-2999.
• Muitta E, Were T, Nyamache A.K. (2019). Reproductive and Lifestyle Char­acteristics in Kenyan Women Presenting With Precancerous Cervical Lesions. E Afr Health Res J. 3(2):116-124.
• Muguongo, S. G., Nyamache, A. K., & Maingi, J. M. (2019). Antibiotic susceptibility profile of bacteria isolated from Kenyan bank notes circulating in Nyeri Town. Microbiology Research Journal International, 1-12.
• Kirui J.K, Maingi J, Ogari C, Nyamache A.K. (2019). Prevalence of Multidrug Resistant Tuberculosis among Previously Treated TB Patients in Nairobi County, Kenya. J. Integ. Clin. Med.  and Therape 1(1):1-4
• Abongwa, L. E., Nyamache A. K., Torimiro, J. N., Okemo, P., Charles, F. (2019). Human immunodeficiency virus type 1 ((HIV-1) subtypes in the northwest region, Cameroon. Virology J. 16(1), 1-7.
• Mabeya, S,^, Nyamache, A.K; Ngugi, C.; Nyerere, A; Lihana, R.: (2018)  Predominance of CCR5 tropism in non B HIV-1 subtypes circulating in Kisii county, Kenya. E Afric Med Journ. 95; 9; 2018.
• Muitta E, Were T, Nyamache A.K, Muhoho N. (2019). Atypical cervical cytomorphologic predictors: a descriptive study of pre-cervical cancer patients of low education in Kenya. Pan African Medical J. 33, 124-129
• Akolo M, Osero J., Nyamache A.K., Kimani J., Gichuki R. ,Gelmon L. (2019). Factors affecting retention of men having sex with men on pre exposure prophylaxis within Nairobi city county, Kenya-experimental study, European J. Of Pharmaceutical & Medical Research 6 (6), 144-148
• Akolo M, J. Osero, Nyamache AK., Kimani J., Gichuki R., Gelmon L. (2019). Factors affecting adherence to prep services among men who have sex with men in Nairobi Kenya. Europ J. Of Pharm & Med Research  6 (6), 144-148
• Ogari C.O, Nyamache A.K, Nonoh J. and Amukoye E.. (2019).  Prevalence and detection of drug resistant mutations in Mycobacterium tuberculosis among drug naïve patients in Nairobi, Kenya. BMC Infect Diss 19:279
• Langata l.M,  Maingi J.M, Musonye H.A., Kiiru J,  Nyamache A.K. (2019) Antimicrobial Resistance Genes in Salmonella and Escherichia coli Isolates from Chicken Droppings in Nairobi, Kenya. BMC Res Notes 12:22
• Rachuonyo HO., A.K Nyamache, G. W Gatheri. (2018). Antimicrobial activity, qualitative phytochemical composition of crude extracts from medicinal plants against selected enteric bacterialpathogens, Candida albicans. Bioteknologi 15(1)1-12
• Ntabo R, Nyamache A.K , Lwande W., Kabii J. and Nonoh J.. (2018) Enzymatic activity of endophytic bacterial isolates from selected mangrove plants in Kenya. The Open Microb. J. 12;354-363
• Laibu, P. K., Maingi, J., & Nyamache A.K (2018). Determination of bacterial composition, heavy metal pollution and physicochemical parameters of fish pond water in Abothuguchi Central, Meru County, Kenya. Asian Journal of Tropical Biotechnology, 15(2).66-79
• Abongwa L.E, Nyamache A. K., Fokunang C, Larissa J.T.D, Loveline N., Okemo P. and. Nchinda G. (2018) Cytokines associated with antiretroviral induced hepatotoxicity in people infected with the human immunodeficiency virus type 1 in the northwest region of Cameroon for publication in “International J. of Med. Resea and Pharmaceutical Sciences, 5:3:
• Rachuonyo HO, Nyamache A.K, Gatheri G. (2018).Antimicrobial activity, qualitative phytochemical composition of crude extracts from medicinal plants against selected enteric bacterial pathogens, Candida albicans. Journal of Bioteknologi Biotechnological Studies, 15(1), 1-12
• Gachara G.; Nyamache A.K.; Gnonlonfin G.J.B., Harvey J; Wainaina J.; Wanjuki I., and Skilton R..(2018) "Genetic diversity of Aspergillus flavus and occurrence of aflatoxin contamination in stored maize across three agro-ecological zones in Kenya." Agric & Food Secur (2018) 7:52
• Odhiambo, W. A., Nyamache A.K & Nyerere, A. (2017). Prevalence of campylobacter jejuni and other bacterial pathogens in selected foods and drinks served in fast food kiosks in Ngara and Burma markets in Nairobi. International Academic Journal of Health, Medicine and Nursing, 1(1), 32-57.
• Mutinda J,; Nyamache A.K,  John M. (2017). Antimicrobial susceptibility patterns of bacteria associated with upper respiratory tract infections in Kitui, Kenya. Ethiop Med J, 2017, Vol 55, No.2
• Nyamwaka I.S, Nyamache A.K and Maingi J.M.  (2017). Microfungi Associated with Sun Dried Rastrineobola argentea Sold in Gucha South District in Kenya. Microbiology Research Journal International. 19(3): 1-8,
• Abongwa, L.E., Nyamache, A.K., Akono, N., Sunjo, S., Nange, V., Balan, H., Charles, F., Okemo, P. and Torimiro, (2017). Hepatotoxicity and anaemia co-morbidity in treated aids patients in fundong sub division in the northwest region of Cameroon. Microbiology Research Journal 18(5): 1-10,
• Nyang 'au H.O, Maingi J.M, Nyamache A.K. (2017). The efficacy of some medicinal plants used locally within Transmara west, Narok County, Kenya against selected Enterobacteria and Candida. Journal of Pharmacy and Biological Sciences.12:1;1; 115-122,
• Mabeya S.N, Ngugi C, Nyamache A.K, Lihana R.W. (2017). Prevalence of Hepatitis B virus infections among HIV infected individuals in Nairobi, Kenya. East African Medical Journal 93 (6), 221-225
• Usagi M.B.,. Odilla G.Ab, Maingi J.M., Nyamache A.K. (2016). Isolation, Identification and Determination of the Prevalence of Mycobacterium tuberculosis Complex among People Living with HIV in Kisumu County, Kenya. Science Journal of Public Health. 4; 4: 359-365
• Rachuonyo H.O, Gatheri G.W, Ogola PE, Arika W.M, Wambani J.R, Kamau D.N, Nyamache A.K. (2016). In vitro Antifungal activity of leaf extracts from Aloe secundiflora, Bulbine frutescens, Vernonia lasiopus and Tagetes minuta against Candida albicans. J. Med Aromat Plants, 5:2
• Rachuonyo HO, Ogola PE, Arika WM, Wambani JR, Gatheri GW & Nyamache AK. (2016) Combined Effect of Crude Leaf Extracts of Selected Medicinal Plants against Selected Enteric Bacterial Pathogens and Candida albicans. J Antimicro 2: 110
• Mutuiri S.P. M., Kutima H.L., Mwapagha L.M., Munyao J.K., Nyamache A.K., Wanjiru I, Khamadi S.A. (2016). RANTES gene polymorphism (-(403G>A and 28C>C) associated with HIV-1 infections in Kenyan population. Disease Markers 2016
• Kilongosi W.M,.Budambula V, Lihana R.W., Musumba F.O., Nyamache A. K.,. Budambula N.L.M, Ahmed A.A., Ouma C., and Were T.. (2016). Hepatitis B Virus Sero-profiles and Genotypes in HIV-1 Infected and Uninfected Injection and Non-Injection Drug Users from Coastal Kenya. BMC infectious diseases 15 (1), 299
• Moto J.N, Maingi J.M,. Nyamache A. K. (2015). Prevalence of Tinea Capitis in school going children from Mathare, Informal Settlement in Nairobi, Kenya. BMC Research notes review 2015 8:274.
• Waithaka P.N, Maingi J.M, Nyamache A. K.  (2015). Physico-chemical analysis, microbial isolation, sensitivity test of the isolates and solar disinfection of water running in community taps and River Kandutura in Nakuru North Sub-county, Kenya. The open microbiology journal, 9, 117.
• Waithaka P.N, Maingi J.M, Nyamache A. K.  (2014). Development of Predictors algorithm for Mortality, Drop Out and Immuno-virologic outcomes among HIV-1 infected Intravenous Drug Users receiving highly active antiretroviral therapy in Malindi, Kenya. Scientific Journal of Microbiology  3(12) 118-125
• Koigi P, Otieno M, Ngugi C.N and Nyamache A. K. (2014) Genotyping of HIV type 1 drug resistance among patients with immunological failure to first and second line antiretroviral therapy in Kenyan subjects. Journal BMC Res Notes. 2014;7(1):890
• Waithaka P.N, Maingi J.M, Nyamache A. K.  . (2014). Microbial contamination of environmental, food and treated water samples in Nakuru North Sub-county, Kenya Intern. J. of Microbiology and Allied Sciences. 2014 Dec, 1(2):78-91
• Waithaka P.N, Maingi J.M, Nyamache A. K.  (2014) Physico-chemical and Salmonella isolates in community taps and river Kandutura in Nakuru North Sub-county, Kenya. Under review. Intern. J. of Microbiology and Epidemiological Research, Nov 2014, 2(4), 29-37,
• Uwamungu S, Masaisa F, Njoki S. K, Nyamache A. K. (2014). Coagulation factors level in fresh frozen plasma in Rwanda. East African Medical J. 91:3 2014
• Maingi Z and Nyamache A. K.. (2014). Seroprevalence of Cytomegalo Virus (CMV) among pregnant women in Thika, Kenya. BMC. Research notes Journal 7:794 
• Khasabuli O.Y and Nyamache A. K. (2014). Isolation, characterization and primary screening of soil actinomycetes from Kenyatta University arboretum grounds for antibacterial activities. J. of Applied Biosciences. 74:6072– 6079
• Wahome C.N, Okemo P.O. and Nyamache A. K.. (2014). Microbial quality and Antibiotic Resistant Bacterial Pathogens Isolated from Groundwater Used by Residents of Ongata Rongai, Kajiado North County, Kenya. Intern. J. Biological and Biochemical Sciences 8: (1): 134-143 2014.
• Amuka O, Okemo P., Machocho A., Mbugua P., Njagi E.N.M, and Nyamache A.K. (2013). Part 1The Role of Phytomedicine in the Challenges of Emerging, Re-Emerging Diseases; and Pathogens Resistance to Antibiotics. Intern. J. of Herbal medicine 2013: 1(4)77-84
• Amuka O, Okemo P., Machocho A., Mbugua P., Njagi E.N.M, and Nyamache A.K  (2013). Part 2The Role of Phytomedicine in the Challenges of Emerging, Re-Emerging Diseases; and Pathogens Resistance to Antibiotics. Intern. J. of Herbal medicine: 1 (4): 92-101
• Amuka O, Okemo P., Machocho A., Mbugua P., Njagi E.N.M, and Nyamache A.K. (2013). Part 3 The Role of Phytomedicine in the Challenges of Emerging, Re-Emerging Diseases; and Pathogens Resistance to Antibiotics. Intern. J. of Herbal medicine 2013: 1 (4) 102-106
• Nyamache AK, A.W Muigai, SA Khamadi. (2013) Circulating Trends of non B HIV type 1 subtypes among Kenyan individuals. Journal of AIDS Research and Human Retroviruses 2013, 29(2): 400-403
• Nyamache A.K, Muigai A.W, Khamadi S.A.:(2013). Profile of HIV-1 Co-Receptor Tropism among Kenyan patients from 2009 to 2010. Journal of AIDS Research and Human Retroviruses. 2013; 29, 8, 1105-1109
• Bosire E.M, Nyamache A.K, Gicheru M.M, Lihana R. W, Okoth V. and Khamadi S. A. (2013). Population specific reference ranges of CD3, CD4 and CD8 lymphocyte subsets among healthy Kenyans. AIDS Res Ther. 7;10(1):24.
• Muriuki B. M, Gicheru M.M, Wachira D.,. Nyamache A. K and Khamadi S.A. (2013). Prevalence of hepatitis B and C viral co-infections among HIV-1 infected individuals in Nairobi, Kenya. BMC Research notes 2013, 6:363
• Nyamache A.K, A. Muigai, S.A. Khamadi: (2012). Phylogenetic analysis of the envelope HIV-1 type 1 isolates among Kenyan cohort. African Journal of heath and therapeutics 2012; 1:4:1
• Nyamache A.K, Anne. Muigai, Zipporah Nganga Samoel Ashimosi Khamadi: (2012). HIV-1 genetic diversity and naturally occurring polymorphisms in HIV-1 Kenyan isolates Integrase gene: Implications for integrase inhibitors: Journal of AIDS Research and Human Retroviruses: 28: 933-936. 2012
• Nyamache A.K, A. Muigai, Z. Nganga,  S.A. Khamadi: (2011) HIV-1 genetic diversity and naturally occurring polymorphisms in HIV-1 Kenyan isolates Integrase gene: Implications for integrase inhibitors: African Journal of health sciences. 19:30-4 (suppl) 1.011
• Nyamache A.K and S.A. Khamadi: (2011) HIV-1 drug resistance among untreated patients in Kenya: Current status. Journal of Applied Bioscience 2011; 8: 43:2958-2966
• Nyamache K.A, Waihenya, Ng’ang’a Z.W, Muigai A.W, Khamadi .A.S, (2011) Reverse Transcriptase Inhibitors Drug Resistance Mutations in Drug-Naive HIV Type 1 positive Kenyan Individuals: East Africa Medical Journal 2011; 88:4:261-265
• Nyamache A.K: (2011) Evaluation of HIV-1 evolution of HIV-1 evolution and its role in development of antiretroviral drug resistance, in Nairobi Cohort. JKUAT 2011 PhD thesis
• Nyamache A.K P. Ochola R, Khamadi S.A (2009). Iisolation and antimicrobial susceptibility testing of Escherichia coli causing urinary tract infections.  J. Applied Bioscience.  22(27):1320-1325,
• Nyamache K.A, Waihenya R, Khamadi S.A. (2009). HIV genetic diversity among drug naïve populations of Nairobi Kenya Journal of Retrovirology 2009;  6 (Suppl 3):P371 doi:10.1186/1742-4690-6-S3-P371
• Nyamache A.K: (2008). Extent of drug resistance mutations among HIV-1 positive drug-naive populations: 2008 Msc thesisJKUAT 2008

Books and book chapters 

• Nyamache, A. K: Extent of drug resistance mutations among HIV-1 positive drug-naive populations: Amazon Books
  ISBN/ISSN 9783639242881
• Nyamache, A. K. Ethical and Legal Issues on Embryo Adoption, Donation, and Surrogate Motherhood: A Kenyan
  Perspective. Bioethics from the Global South, 143. Nyamache, A.K. (2024). Ethical and Legal Issues on Embryo Adoption, Donation, and Surrogate Motherhood: A Kenyan Perspective. In: Omutoko, L., Jaoko, W. (eds) Bioethics from the Global South. Advancing Global Bioethics, vol 21. Springer, Cham. https://doi.org/10.1007/978-3-031-77669-4_9
• Nyamache, A. K. (2024) The ethical and legal issues rising from environmental pollution, case study of lead poisoning in Mombasa, Kenya accepted Springer
• Nyamache, A. K. (2024) Evolving Ethical and legal challenges faced by LGBTI communities in Kenya Taylor Francis
  reviewed comments

Reviewed conference papers

• Lem EA,  Nyamache AK, Fokunang C, Judith T,  Nshom E, Irénée D and Paul O  (2019) Risk factors of severe hepatotoxicity among HIV-1 patients initiated on highly active antiretroviral therapy in the northwest region of Cameroon ( PO 8190). BMJ Journal Global Health 4 (Suppl 3):A21.3-A22. DOI:  10.1136/bmjgh-2019-EDC.54
• Lem EA, Nyamache AK, Fokunang C, Judith T,  Nshom E, Irénée D and Paul O (2018) Hepatotoxicity and related Risk Factors of Severe Hepatotoxicity Among HIV-1 infected Individuals initiated on  Highly Active Antiretroviral Therapy(HAART) in Cameroon. 14th International Conference on Clinical Gastroenterology and Hepatology. Toronto, Canada 29 - 30 August 2018. Journal of Gastrointestinal & Digestive System, ISSN: 2161-069X 8: 38.
• Lem EA, Nyamache AK, Fokunang C, Judith T,  Nshom E, Irénée D and Paul O  (2018) "Risk Factors of Severe Hepatotoxicity Among HIV-1 patients initiated on Highly Active Antiretroviral Therapy in the Northwest Region of Cameroon". Ninth EDCTP Forum, September 1^7th -2^1st, 2018 in Lisbon, Portugal.
• Lem EA, Nyamache AK, Fokunang C,  Torimiro JN, Okemo P and Nchinda  G. (2018).Cytokines associated with antiretroviral induced hepatotoxicity in people infected with the human immunodeficiency virus type 1 in the Northwest region of Cameroon. 9^th Molecular Immunology & Immunogenetics Congress. March 08-09, 2018, London, UK Immunome Research 2018(14), DOI: 10.4172/1745-7580-C1-015
• Lem EA,  Nyamache AK , Fokunang C, Okemo P, Tchapda L. , Yengo C.  Takou D. and Torimiro JN.  (2018). HIV drug resistance profile to first line antiretroviral therapy regimen in naïve patients in the Northwest region (NWR) of Cameroon. 25^th International. HIV dynamics & evolution. April 22-25, 2018 at Sleeping Lady Mountain Resort Leavenworth, Washington. Abstract booklet page 79
• Lem EA,  Nyamache AK, Fokunang C, Judith T,  Nshom E, Irénée D and Paul O  (2018) Hepatotoxicity and related Risk Factors of Severe Hepatotoxicity Among HIV-1 infected Individuals initiated on Highly Active Antiretroviral Therapy(HAART) in Cameroon^. June 14th -16th, 2018 in Grand Hyatt Incheon, Incheon, South Korea,
• Lem EA, Nyamache KA , Fokunang C,  Torimiro JN, Djukouo L, Ngu L, Okemo  P and Nchinda G. (2018). Cytokines associated with antiretroviral induced hepatotoxicity in people infected with the human immunodeficiency virus type 1 in the Northwest region of Cameroon. 34th Annual Clinical Virology Symposium, May 6-9, 2018 in West Palm Beach, Florida, USA
• Peter Koigi, Musa Otieno, Caroline Ngugi and   Nyamache AK. Genotyping of HIV type 1 drug resistance among patients with immunological failure to first and second line antiretroviral therapy in Kenyan. The 3^rd Medical and veterinary virus Research in Kenya (MVVRK ) symposium 2014. Hilton Hotel, Nairobi Kenya.James K. Munyao⁴, Anthony Kebira Nyamache,⁵
• G.Gachara; A.K. Nyamache; G.J.B. Gnonlonfin; J. Harvey; J. Wainaina; I. Wanjuki, and R. Skilton. Post-harvest fungi diversity and aflatoxin contamination in stored maize in Eastern and Western Kenya. Poster presentation.19th International Scientific Conference, 11th -13th September,2013.Nairobi,Kenya.
• G.Gachara; A.K. Nyamache; G.J.B. Gnonlonfin; J. Harvey; J. Wainaina; I. Wanjuki, and R. Skilton. Post-harvest fungi diversity and aflatoxin contamination in stored maize in Eastern and Western Kenya.Oral presentation.1st International One Health Central and Eastern Africa (OHCEA) Conference.23rd- 27th September, 2013.Addis Ababa, Ethiopia.
• G.Gachara; A.K. Nyamache; G.J.B. Gnonlonfin; J. Harvey; J. Wainaina; I. Wanjuki, and R. Skilton Occurrence and distribution of aflatoxin contamination in stored maize across three Agro-ecological zones in Kenya. 3rd Kenya International Lung Health Conference. 2nd- 5th October, 2013. Nairobi, Kenya.
• G.Gachara; A.K. Nyamache, G.J.B. Gnonlonfin; J. Harvey; J. Wainaina, R. Skilton . Aflatons threat to Kenya Maize consumptions, case studies of selected Kenyan counties study. 4th Biennal NMK conference 6th - 8th Nov 2013, Tanzania
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: High prevalence of primary Enfuvirtide (ENF) resistance-associated mutations in HIV-1-infected patients in Nairobi. Submitted for ICASA conference 2013 Cape Town SA.
• Nyamache A.K, A. Muigai, S.A. Khamadi: Phylogenetic analysis of the envelope HIV-1 type 1 isolates among Kenyan cohort. Oral: The 2^nd Medical and veterinary virus Research in Kenya (MVVRK ) symposium. Panafric Hotel, Nairobi Kenya
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV-1 co-receptor tropism in Nairobi cohort and its implication to antiretroviral therapy in Kenya: Oral Abstract No 1661 16^th International AIDS and STDs Conference, 4-8^th December 2011, Adisa Ababa Ethiopia. 
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV Type 1 Genetic Diversity in Nairobi cohort, its implications on vaccine design and drug resistance abstract No. 056:  ITROMID JKUAT, Nairobi, Kenya 18-19^th May 2011, conference.
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV-1 genetic diversity and naturally occurring polymorphisms in HIV-1 Kenyan isolates Integrase gene: Implications for integrase inhibitors 1^st annual KEMRI scientific conference, KEMRI HQ Nairobi 9-11^th Feb 2011.
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV-1 genetic diversity and viral tropism among Kenyan individuals: 1^st East Africa regional Scientific conference, Kenyatta University, Kenya August 2010
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi :HIV-1 Genetic diversity and drug resistance among cohort of women in Nairobi, Kenya: International Microbicides-bridges in HIV prevention conference 21-25^th May 2010 Pittsburgh, Pennsylvania, USA
• Nyamache A.K,  R. Waihenya, V. Okoth, R. Lihana, J. Mwangi, J. Muruiki, M. Kiptoo, N. Langat, J. Kinya, J. Khamala, F. Okoth, M. Mwau, S. Khamadi .Extent of drug resistance mutations among HIV-1 positive drug-naive patients in Kenya abstract International  HIV pediatrics workshop in 2009 Cape Town South Africa on July 17-18^th 2009. International journal of reviews in antiviral therapy Vol 6 A-05   pg 105 (2009)
• Nyamache A.K, R. Waihenya, V. Okoth, R. Lihana, J. Mwangi, J. Muruiki, M. Kiptoo, N. Langat, J. Kinya, J. Khamala, F. Okoth, M. Mwau, S. Khamadi. Extent of drug resistance mutations among HIV-1 positive drug-naive patients in Kenya abstract No. CDC 0057, Journal of international AIDS 2009, International AIDS HIV pathogenicity, prevention and treatment conference 2009 Cape Town South Africa on July 19-22 2009
• Nyamache A.K,  Waihenya R, Khamadi S.A. Primary genotypic drug resistance mutations among selected HIV-1 positive drug-naive populations of  Kenya presented and published at inaugural Institute of tropical medicine and infectious diseases post graduate conference 28-29^th May 2009 at Jomo Kenyatta University of Agricultural and Technology
• Nyamache A.K, Waihenya R, Khamadi S.A. HIV genetic diversity among drug naïve populations of Nairobi Kenya  International AIDS Vaccine conference Oct 19-23 in Paris Viral Diversity P20-01,pg 269 2009
• Nyamache A.K, Waihenya R, Khamadi S.A. HIV Drug resistance, threats to management to management of HIV patients, Kenyan urban, 8^th  International Conference on Urban Health (ICUH 18-23^rd Oct, 2009. KICC Nairobi Kenya.
• Nyamache A.K, Waihenya R, Khamadi S.A. HIV-1 genetic diversity among drug naïve populations of Nairobi, in Kenya, ISCB-Africa ASBCB Joint Conference on Bioinformatics of Infectious Diseases at Bamako International Conference Centre, University of Bamako Medical School, Bamako,  Mali. 30 Nov- 2 Dec 2009.
• Nyamache A.K, Waihenya R, Khamadi S.A. Primary genotypic drug resistance mutations among selected HIV-1 positive drug experienced populations of Kenya. 10^th annual symposium on antiviral drug resistance   SADR   Target mechanism  Richmond Virginia USA
• Nyamache A.K. & H. Boga, A comparative study of the efficacy of generics and original of Norfloxacin against Escherichia coli Presented and published at 3^rd University faculty conference proceedings held on Nov 2007.
• Nyamache A.K, P. Ochola; Isolation and antimicrobial susceptibility patterns of pathogenic Escherichia coli causing UTI. Presented & published on at 2^nd university conference proceedings held Nov 25-26^th Nov 2006 at Jomo Kenyatta University of agricultural and technology Kenya. ISBN no.9988-243-88
• Nyamache A.K Onyango W., Wasike. D & Matiru V.; A comparative evaluation on broth micro dilution, disc diffusion and agar dilution methods on antifungal susceptibility testing of plant extracts.
• Presented and published at 2^nd university faculty conference proceedings held June13-14^th 2006 at Jomo Kenyatta university of agricultural and technology ISBN no.8866-213-78

Editorial of book or conference/worshops proceedings

• Celectine K Nyamari, Anthony Kebira Nyamache, Frank Onyambu. Prevalence and risk factors associated with HPV infections among women with HIV in Meru, Kenya 2024 Conference on Retroviruses and opportunistic infections (CROI)  March 3-6, 2024 Denver, Colorado USA
• Vincent Kiprop, Christine Bii, Anthony Nyamache, Sally N Loronyokie:   Fungal spore air pollution in various environments in Nairobi Kenya  Antimicrobial resistance session 24: pg 211 no.216;  KASH conference 2024 Safari Park Hotel Nairobi, Kenya
• Sally N Loronyokie,  Anthony Nyamache Kebira, Vincent Kiprop, Abdi Mohamed,  Evage.ine Gatumwa Mathiu,  Hannah Kariuki,  Christine Bii, Mycological and aflatoxin analysis of camellia sinensis from selected counties in Kenya. Public health session 1: pg 241 no. 4; KASH conference 2024 Safari Park Hotel Nairobi, Kenya
• Abongwa, L.E., Nyamache, A.K., Akono, N., Sunjo, S., Nange, V., Balan, H., Charles, F., Okemo, P. and J. Torimiro, ( 2018). HIV drug resistance profile to first line antiretroviral therapy regimen in naïve patients in the Northwest region (NWR) of Cameroon. Poster. AAAMR congress (http://africaamr.org/) on 26-28 February 2018 in Bamako, Mali. 
• Abongwa, L.E, A.KNyamache, Fokunang C, P. Okemo , Laure AT,   Yengo C  Takou D , J.N Torimiro. HIV drug resistance profile to first line antiretroviral therapy regimen in naïve patients in the northwest region (NWR) of Cameroon. 34^th Annual Clinical Virology Symposium to be held from May 6-9, 2018 in West Palm Beach, Florida.
• Abongwa, L.E, A.K Nyamache, Fokunang C, P. Okemo , Laure AT,   Yengo C  Takou D , J.N Torimiro. “Cytokines associated with antiretroviral induced hepatotoxicity in people infected with the human immunodeficiency virus type 1 in the Northwest region of Cameroon” 34^th Annual Clinical Virology Symposium to be held from May 6-9, 2018 in West Palm Beach, Florida.
• Abongwa, L.E., Nyamache, A.K., Akono, N., Sunjo, S., Nange, V., Balan, H., Charles, F., Okemo, P. and Torimiro, ( 2017). Hepatotoxicity and anaemia co-morbidity in treated aids patients in fundong sub division in the northwest region of cameroon. Sex Transm Infect 93;2: A79-A79
• Koigi P, Otieno M, C. Ngugi and A. K. Nyamache. Genotyping of HIV type 1 drug resistance among patients with immunological failure to first and second line antiretroviral therapy in Kenyan. The 3^rd Medical and veterinary virus Research in Kenya (MVVRK ) symposium 2014. Hilton Hotel, Nairobi Kenya.James K. Munyao⁴, Anthony Kebira Nyamache,⁵
• G.Gachara; A.K. Nyamache; G.J.B. Gnonlonfin; J. Harvey; J. Wainaina; I. Wanjuki, and R. Skilton. Post-harvest fungi diversity and aflatoxin contamination in stored maize in Eastern and Western Kenya. Poster presentati^on.19th International Scientific Conference, 11 -13^th September, 2013.Nairobi,Kenya.
• G.Gachara; A.K. Nyamache; G.J.B. ^Gnonlonfin; J. Harvey; J. W^ainaina; I. Wanjuki, and R. Skilton. Post-harvest fungi diversity and aflatoxin contamination in stored maize in Eastern and Western Kenya.Oral presentation.1st International One Health Central and Eastern Africa (OHCEA) Conference.23rd- 27th September, 2013.Addis ^Abab^a, Ethiopia.
• G.Gachara; A.K. Nyamache; G.J.B. Gnonlonfin; J. Harvey; J. Wainaina; I. Wanjuki, and R. Skilton
• Occurrence and distribution of aflatoxin contamination in stored maize across three Agro-ecological zones in Kenya. 3^rd Kenya International Lung Health Conference. 2- 5^th October, 2013. Nairobi, Kenya.
• G.Gachara; A.K. Nyamache, G.J.B. Gnonlonfin; J. Harvey; J. Wainaina, R. Skilton . Aflatons threat to Kenya Maize consumptions, case studies of selected Kenyan counties study. 4th Biennal NMK conference 6th - 8th Nov 2013, Tanzania
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: High prevalence of primary Enfuvirtide (ENF) resistance-associated mutations in HIV-1-infected patients in Nairobi. Submitted for ICASA conference 2013 Cape Town SA.
• Nyamache A.K, A. Muigai, S.A. Khamadi: Phylogenetic analysis of the envelope HIV-1 type 1 isolates among Kenyan cohort. Oral: The 2^nd Medical and veterinary virus Research in Kenya (MVVRK ) symposium. Panafric Hotel, Nairobi Kenya
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV-1 co-receptor tropism in Nairobi cohort and its implication to antiretroviral therapy in Kenya: Oral Abstract No 1661 16^th International AIDS and STDs Conference, 4-8^th December 2011, Adisa Ababa Ethiopia. 
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV Type 1 Genetic Diversity in Nairobi cohort, its implications on vaccine design and drug resistance abstract No. 056:  ITROMID JKUAT, Nairobi, Kenya 18-19^th May 2011, conference.
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV-1 genetic diversity and naturally occurring polymorphisms in HIV-1 Kenyan isolates Integrase gene: Implications for integrase inhibitors 1^st annual KEMRI scientific conference, KEMRI HQ Nairobi 9-11^th Feb 2011.
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi: HIV-1 genetic diversity and viral tropism among Kenyan individuals: 1^st East Africa regional Scientific conference, Kenyatta University, Kenya August 2010
• Nyamache A.K, Z. Nganga, A. Muigai, S.A. Khamadi :HIV-1 Genetic diversity and drug resistance among cohort of women in Nairobi, Kenya: International Microbicides-bridges in HIV prevention conference 21-25^th May 2010 Pittsburgh, Pennsylvania, USA
• Nyamache A.K,  R. Waihenya, V. Okoth, R. Lihana, J. Mwangi, J. Muruiki, M. Kiptoo, N. Langat, J. Kinya, J. Khamala, F. Okoth, M. Mwau, S. Khamadi .Extent of drug resistance mutations among HIV-1 positive drug-naive patients in Kenya abstract International  HIV pediatrics workshop in 2009 Cape Town South Africa on July 17-18^th 2009. International journal of reviews in antiviral therapy Vol 6 A-05   pg 105 (2009)
• Nyamache A.K, R. Waihenya, V. Okoth, R. Lihana, J. Mwangi, J. Muruiki, M. Kiptoo, N. Langat, J. Kinya, J. Khamala, F. Okoth, M. Mwau, S. Khamadi. Extent of drug resistance mutations among HIV-1 positive drug-naive patients in Kenya abstract No. CDC 0057, Journal of international AIDS 2009, International AIDS HIV pathogenicity, prevention and treatment conference 2009 Cape Town South Africa on July 19-22 2009
• Nyamache A.K,  Waihenya R, Khamadi S.A. Primary genotypic drug resistance mutations among selected HIV-1 positive drug-naive populations of  Kenya presented and published at inaugural Institute of tropical medicine and infectious diseases post graduate conference 28-29^th May 2009 at Jomo Kenyatta University of Agricultural and Technology
• Nyamache A.K, Waihenya R, Khamadi S.A. HIV genetic diversity among drug naïve populations of Nairobi Kenya  International AIDS Vaccine conference Oct 19-23 in Paris Viral Diversity P20-01,pg 269 2009
• Nyamache A.K, Waihenya R, Khamadi S.A. HIV Drug resistance, threats to management to management of HIV patients, Kenyan urban, 8^th  International Conference on Urban Health (ICUH 18-23^rd Oct, 2009. KICC Nairobi Kenya.
• Nyamache A.K, Waihenya R, Khamadi S.A. HIV-1 genetic diversity among drug naïve populations of Nairobi, in Kenya, ISCB-Africa ASBCB Joint Conference on Bioinformatics of Infectious Diseases at Bamako International Conference Centre, University of Bamako Medical School, Bamako,  Mali. 30 Nov- 2 Dec 2009.
• Nyamache A.K, Waihenya R, Khamadi S.A. Primary genotypic drug resistance mutations among selected HIV-1 positive drug experienced populations of Kenya. 10^th annual symposium on antiviral drug resistance   SADR   Target mechanism  Richmond Virginia USA
• Nyamache A.K. & H. Boga, A comparative study of the efficacy of generics and original of Norfloxacin against Escherichia coli Presented and published at 3^rd University faculty conference proceedings held on Nov 2007.
• Nyamache A.K, P. Ochola; Isolation and antimicrobial susceptibility patterns of pathogenic Escherichia coli causing UTI. Presented & published on at 2^nd university conference proceedings held Nov 25-26^th Nov 2006 at Jomo Kenyatta University of agricultural and technology Kenya. ISBN no.9988-243-88
• Nyamache A.K Onyango W., Wasike. D & Matiru V.; A comparative evaluation on broth micro dilution, disc diffusion and agar dilution methods on antifungal susceptibility testing of plant extracts. 
• Presented and published at 2^nd university faculty conference proceedings held June13-14^th 2006 at Jomo Kenyatta University of agricultural and Technology ISBN no.8866-213-78

Scholarly Presentations at conferences/ workshops and seminars

• 23/11/2021: Approaches to Combat COVID-19 in Low- and Middle-Income Countries. Workshop 2021, Netherlands
• 16^TH/11/2021: COVID-19 Clinical Management Workshop 2021, Netherlands
• 16-17^th /2/21: COVID-19 vaccine development & implementation workshop february 2021
• 7-10^th /06/21 : NACOSTI Workshop training on Bioethics: Institutional Ethics Review Committee (IERC) Members At The Arc Hotel, Egerton University 7^th -10^th June, 2021
• 5-6^th /05/21: Association For Faculty Enrichment In Learning & Teaching (AFELT) Course Redesigning for Competency Based Learning Training
• 16-17^th /02/21:Virology education Virtual workshop: Covid-19 Vaccine Development & Implementation Workshop.
• 8-9^th/01/18: Role of chairpersons of the Department in the implementation of University Policy
• 7-8^th /5/ 15: WHO/TDR follow-up workshop on a grant application, scientific writing and public science communication workshop, KCB Karen, Nairobi, Kenya
• 16-19/9/ 14: WHO/TDR Manuscript and research grant writing workshop
• 17-21/06/ 13: First workshop on Mathematical modeling for science research and development, Kenyatta University
• 18-19/10/12: The 2^nd Medical and veterinary virus Research in Kenya (MVVRK) symposium. Panafric Hotel, Nairobi Kenya Online (https://www.youtube.com/watch?v=IUVdvVtHxHY&t=360s)
• 13-17/08/12: Advanced genomics and bioinformatic workshop: Viral and bacterial metagenomics and next generation sequencing, ILRI, Nairobi Kenya
• 5/05-1/6/2012: AuthorAID–IFS  Workshop on Scientific Writing at The African Academy of Sciences, Nairobi, Kenya, 28 May–1 June 2012
• 1--19/07/11: Project implementation, grant application and management soft skills workshop, University of Younde1 Cameroon
• 19/10/09: 2010 Scientific Strategic Plan Consultation on AIDS Vaccine, Paris France
• 19-23/10/09:  International AIDS Vaccine conference in Paris
• 18-19^th /10/09: Standardized Measurement of Neutralizing Antibodies to Advance HIV Vaccine Development, Workshop 18-19 October 2009 Paris France
• 21/07/09: Workshop on Scientific Writing Publish or Perish by Journal of the International AIDS Society, Cape Town South Africa
• 17-18/07/09:1^st International workshop on HIV pediatrics, Cape Town South Africa
• 22-26/06/09:  2^nd Workshop on Pharmacogenomics & bioinformatics, Pharmacogenetics of Drug Metabolism, Nairobi, Kenya, University of Nairobi, Kenya, African Institute of Science and Technology, Zimbabwe 
• 4^th-5^th/05/09:  Introductory course in Bioinformatics, CGRI/ ILRI Nairobi Kenya
• 26-27^th/03/09: Science and technology-Europe Africa Project Workshop, European Union’s 7^th framework programme for Research, Hilton Hotel Nairobi Kenya
• 10^th /02/09: Emergency First AIDS, training, St John Ambulance Nairobi
• 19^th-24^th01/09: Principle of HIV research, application in today’s research training course, University of Washington, Centre for HIV/AIDS research, Seattle USA & Centre for clinical research, Kenya Medical Research Institute KEMRI Headquarters Kenya
• 03/10/08: Use and application of QiaCube automated RNA/DNA extractions from viruses, bacteria, fungal, PBMCs, Plasma and body fluids. Division of Medical virology, University of Stellenbosch, Cape Town South Africa
• 5/09/08:  HIV drug resistance and its implication in clinical practice University of Western Cape, Cape Town South Africa
• 22/08/08: Real-Time PCR and its applications in diagnostic & research Division of Medical virology, University of Stellenbosch, Cape Town South Africa
• 19^th-24^th/01/09: Principle of HIV research, application in today’s research Workshop by University of Washington, Centre for HIV/AIDS research, Seattle USA & Centre for clinical research, Kenya Medical Research Institute KEMRI Headquarters Kenya 

Professional/Consultancy

Networks/Collaborations

• 2008-2023  : Emeritus Prof Susan Engelbrecht Division of Medical Virology, University of Stellenbosch South Africa
• 2008-date: Dr Samoel Ashimosi Khamadi, Deputy Director, Centre for Virus Research KEMRI
• 2011-date: DRUG PHAMACOGENOMIC GROUP: Dr. Ali Mbuli, University of Youndei1, Cameroun, Prof. Peter Chibueze, Mnadi University, Nigeria. 

Editorial Boards/Reviewers for Professional Periods.

• Editorial Board African Journal of Applied Sciences (AJAS) SPAS, Kenyatta University
•  International Conference On AIDS and STIS In Africa ((ICASA) 19th | 4 - 9 DEC 2017 | Abidjan | Côte D'ivoire
• African Journal of Microbiology Research 2011 to date
• International Journal of Medicine and Medical Sciences 2011 to date
• Internal Journal of Microbiology and Research 2012 to date
• African Journal of Biotechnology 2015 to date
• BMC Complementary & Alternative Medicine 2015 to date
• Elsevier; Asian Pacific Journal of Tropical Biomedicine 2012 to date
• East Africa Medical Journal 2010 to date
• BMC Research notes 2015 to date
• Journal of AIDS Research and Human Retroviruses 2013 to date
• BMC Case reports 2014 to date
• Hindawi, International journal of Microbiology to date
• JKUAT grant reviewer 2015 to date
• JKUAT external examiner 2015 to date

Consulting for international/national Boards 

• Technical Evaluation and Review committee member,  Kenya Medical Technician and Technologist Board (KMTTB)  2013-2020Kenya Society of Microbiology

Community Outreach 

• Sunday school Teacher CITAM church Thika Road
• Traffic Ministry CITAM church Thika Road
• Board Member, Oasis Community Network (https://ocnkenya.org/)

Professional Affiliations & Portofolios

• Kenya Society of Microbiology
• African Bioethics Network
• International society of infectious diseases
• International Society of AIDS No. 38729
• American Society for  Microbiology, No. 56588346
• JKUAT Bioinformatics Club member
• International Society of Computer Biology (bioinformatics) 
• Biafrica  (HIV  bioinformatics in Africa)
• World federation of scientists
• Association of Kenya Medical Laboratory Scientific Officers (AKMLSO)
• Registered Member Kenya Medical Technician and Technologist Board (KMTTB) 

Recognition award and honors

•  2009:  Best presenter postgraduate ITROMID conference
•  2014:  Recognized for an Extra Mile worker  as Departmental Chair of Board of Postgraduate study Kenya University

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