| Associations between school-and household-level water, sanitation and hygiene conditions and soil-transmitted helminth infection among Kenyan school children MC Freeman, AN Chard, B Nikolay, JV Garn, C Okoyo, J Kihara, ... Parasites & vectors 8, 1-13, 2015 | 100 | 2015 |
| Results of a national school-based deworming programme on soil-transmitted helminths infections and schistosomiasis in Kenya: 2012–2017 C Mwandawiro, C Okoyo, J Kihara, E Simiyu, S Kepha, SJ Campbell, ... Parasites & vectors 12, 1-18, 2019 | 70 | 2019 |
| Monitoring the impact of a national school based deworming programme on soil-transmitted helminths in Kenya: the first three years, 2012–2014 C Okoyo, B Nikolay, J Kihara, E Simiyu, JV Garn, MC Freeman, ... Parasites & vectors 9, 1-13, 2016 | 62 | 2016 |
| Comparing the performance of circulating cathodic antigen and Kato-Katz techniques in evaluating Schistosoma mansoni infection in areas with low prevalence in … C Okoyo, E Simiyu, SM Njenga, C Mwandawiro BMC Public Health 18, 1-7, 2018 | 48 | 2018 |
| Prevalence, intensity and associated risk factors of soil-transmitted helminth and schistosome infections in Kenya: impact assessment after five rounds of mass drug … C Okoyo, SJ Campbell, K Williams, E Simiyu, C Owaga, C Mwandawiro PLoS neglected tropical diseases 14 (10), e0008604, 2020 | 45 | 2020 |
| Understanding heterogeneity in the impact of national neglected tropical disease control programmes: evidence from school-based deworming in Kenya B Nikolay, CS Mwandawiro, JH Kihara, C Okoyo, J Cano, MT Mwanje, ... PLoS neglected tropical diseases 9 (9), e0004108, 2015 | 41 | 2015 |
| Current status of soil-transmitted helminths among school children in kakamega county, western kenya T Ngonjo, C Okoyo, J Andove, E Simiyu, AE Lelo, E Kabiru, J Kihara, ... Journal of parasitology research 2016, 2016 | 39 | 2016 |
| Current status of Schistosoma mansoni and the factors associated with infection two years following mass drug administration programme among primary school … J Masaku, N Madigu, C Okoyo, SM Njenga BMC Public Health 15, 1-9, 2015 | 38 | 2015 |
| Comparing insecticide-treated bed net use to Plasmodium falciparum infection among schoolchildren living near Lake Victoria, Kenya C Okoyo, C Mwandawiro, J Kihara, E Simiyu, CW Gitonga, AM Noor, ... Malaria journal 14, 1-6, 2015 | 35 | 2015 |
| High prevalence of helminths infection and associated risk factors among adults living in a rural setting, central Kenya: a cross-sectional study J Masaku, F Mutungi, PM Gichuki, C Okoyo, DW Njomo, SM Njenga Tropical medicine and health 45, 1-9, 2017 | 34 | 2017 |
| Assessment of lymphatic filariasis prior to re-starting mass drug administration campaigns in coastal Kenya SM Njenga, HM Kanyi, FM Mutungi, C Okoyo, HS Matendechero, ... Parasites & vectors 10, 1-9, 2017 | 30 | 2017 |
| Evaluating effectiveness of screening house eaves as a potential intervention for reducing indoor vector densities and malaria prevalence in Nyabondo, western Kenya PN Ng’ang’a, C Okoyo, C Mbogo, CM Mutero Malaria journal 19, 1-12, 2020 | 24 | 2020 |
| Model-based geostatistical methods enable efficient design and analysis of prevalence surveys for soil-transmitted helminth infection and other neglected tropical diseases O Johnson, C Fronterre, B Amoah, A Montresor, E Giorgi, N Midzi, ... Clinical Infectious Diseases 72 (Supplement_3), S172-S179, 2021 | 23 | 2021 |
| Soil-transmitted helminths and schistosomiasis among pre-school age children in a rural setting of Busia County, Western Kenya: a cross-sectional study of prevalence, and … J Masaku, DW Njomo, A Njoka, C Okoyo, FM Mutungi, SM Njenga BMC public health 20, 1-11, 2020 | 19 | 2020 |
| Ascaris lumbricoides infection following school-based deworming in western Kenya: assessing the role of pupils' school and home water, sanitation, and hygiene exposures JV Garn, CS Mwandawiro, B Nikolay, CD Drews-Botsch, JH Kihara, ... The American journal of tropical medicine and hygiene 94 (5), 1045, 2016 | 19 | 2016 |
| Evaluating the impact of larviciding with Bti and community education and mobilization as supplementary integrated vector management interventions for malaria … CM Mutero, C Okoyo, M Girma, J Mwangangi, L Kibe, P Ng’ang’a, ... Malaria Journal 19, 1-17, 2020 | 18 | 2020 |
| Implementation challenges and opportunities for improved mass treatment uptake for lymphatic filariasis elimination: Perceptions and experiences of community drug distributors … DW Njomo, BW Kimani, LW Kibe, C Okoyo, WP Omondi, HM Sultani PLoS Neglected Tropical Diseases 14 (12), e0009012, 2020 | 16 | 2020 |
| Assessment of malaria infection among pregnant women and children below five years of age attending rural health facilities of Kenya: A cross-sectional survey in two counties … C Okoyo, E Githinji, RW Muia, J Masaku, J Mwai, L Nyandieka, S Munga, ... Plos one 16 (9), e0257276, 2021 | 14 | 2021 |
| Prevalence of intestinal parasitic infections and associated water, sanitation, and hygiene risk factors among school children in Mwea Irrigation Scheme, Kirinyaga County, Kenya E Njambi, D Magu, J Masaku, C Okoyo, SM Njenga Journal of tropical medicine 2020, 2020 | 13 | 2020 |
| Addressing barriers of community participation and access to mass drug administration for lymphatic filariasis elimination in Coastal Kenya using a participatory approach DW Njomo, LW Kibe, BW Kimani, C Okoyo, WP Omondi, HM Sultani PLoS neglected tropical diseases 14 (9), e0008499, 2020 | 11 | 2020 |
Sammy M. NjengaResearch ScientistVerified email at kemri.go.ke
