University of Nairobi

Are you a researcher?

Create a profile to get free access to personal recommendations for colleagues and new articles.

Short name

UON

Country, city

Kenya, Nairobi

02y9nww90

Organization website

Publications

11 746

Citations

224 795

h-index

154

Top-3 journals

PLoS ONE (272 publications)

SSRN Electronic Journal (177 publications)

East African Agricultural and Forestry Journal (123 publications)

Top-3 organizations

Kenya Medical Research Institute (993 publications)

University of Washington (860 publications)

International Livestock Research Institute (Kenya) (383 publications)

Top-3 foreign organizations

University of Washington (860 publications)

University of Manitoba (341 publications)

Makerere University (320 publications)

Top-1 researchers by h-index

Ruga Stephen

🥼 🤝

PhD in Economics, senior lecturer

h-index: 0

Most cited in 5 years

Found

Publication title

Publisher

Journal

Countries

Found

Since 1965

Total publications

11746

Total citations

224795

Citations per publication

19.14

Average publications per year

189.45

Average authors per publication

7.34

h-index

154

Metrics description

h-index

A scientist has an h-index if h of his N publications are cited at least h times each, while the remaining (N - h) publications are cited no more than h times each.

https://www.pnas.org/doi/full/10.1073/pnas.0507655102

Top-30

Fields of science

	200 400 600 800 1000 1200 1400 1600 1800
General Medicine	General Medicine, 1714, 14.59% General Medicine 1714 publications, 14.59%
Infectious Diseases	Infectious Diseases, 1305, 11.11% Infectious Diseases 1305 publications, 11.11%
Public Health, Environmental and Occupational Health	Public Health, Environmental and Occupational Health, 819, 6.97% Public Health, Environmental and Occupational Health 819 publications, 6.97%
Ecology, Evolution, Behavior and Systematics	Ecology, Evolution, Behavior and Systematics, 471, 4.01% Ecology, Evolution, Behavior and Systematics 471 publications, 4.01%
Multidisciplinary	Multidisciplinary, 446, 3.8% Multidisciplinary 446 publications, 3.8%
Animal Science and Zoology	Animal Science and Zoology, 442, 3.76% Animal Science and Zoology 442 publications, 3.76%
Parasitology	Parasitology, 430, 3.66% Parasitology 430 publications, 3.66%
Agronomy and Crop Science	Agronomy and Crop Science, 420, 3.58% Agronomy and Crop Science 420 publications, 3.58%
Immunology	Immunology, 359, 3.06% Immunology 359 publications, 3.06%
Food Science	Food Science, 337, 2.87% Food Science 337 publications, 2.87%
General Veterinary	General Veterinary, 327, 2.78% General Veterinary 327 publications, 2.78%
Geography, Planning and Development	Geography, Planning and Development, 310, 2.64% Geography, Planning and Development 310 publications, 2.64%
Immunology and Allergy	Immunology and Allergy, 296, 2.52% Immunology and Allergy 296 publications, 2.52%
Plant Science	Plant Science, 278, 2.37% Plant Science 278 publications, 2.37%
Pharmacology (medical)	Pharmacology (medical), 276, 2.35% Pharmacology (medical) 276 publications, 2.35%
Virology	Virology, 257, 2.19% Virology 257 publications, 2.19%
Obstetrics and Gynecology	Obstetrics and Gynecology, 255, 2.17% Obstetrics and Gynecology 255 publications, 2.17%
Biochemistry	Biochemistry, 254, 2.16% Biochemistry 254 publications, 2.16%
Microbiology (medical)	Microbiology (medical), 251, 2.14% Microbiology (medical) 251 publications, 2.14%
Ecology	Ecology, 251, 2.14% Ecology 251 publications, 2.14%
Pharmacology	Pharmacology, 247, 2.1% Pharmacology 247 publications, 2.1%
General Biochemistry, Genetics and Molecular Biology	General Biochemistry, Genetics and Molecular Biology, 243, 2.07% General Biochemistry, Genetics and Molecular Biology 243 publications, 2.07%
Psychiatry and Mental health	Psychiatry and Mental health, 227, 1.93% Psychiatry and Mental health 227 publications, 1.93%
Management, Monitoring, Policy and Law	Management, Monitoring, Policy and Law, 221, 1.88% Management, Monitoring, Policy and Law 221 publications, 1.88%
Insect Science	Insect Science, 219, 1.86% Insect Science 219 publications, 1.86%
Microbiology	Microbiology, 213, 1.81% Microbiology 213 publications, 1.81%
Health Policy	Health Policy, 207, 1.76% Health Policy 207 publications, 1.76%
Pediatrics, Perinatology and Child Health	Pediatrics, Perinatology and Child Health, 205, 1.75% Pediatrics, Perinatology and Child Health 205 publications, 1.75%
Development	Development, 204, 1.74% Development 204 publications, 1.74%
Molecular Biology	Molecular Biology, 195, 1.66% Molecular Biology 195 publications, 1.66%
	200 400 600 800 1000 1200 1400 1600 1800

Journals

	50 100 150 200 250 300
PLoS ONE	PLoS ONE, 272, 2.32% PLoS ONE 272 publications, 2.32%
SSRN Electronic Journal	SSRN Electronic Journal, 177, 1.51% SSRN Electronic Journal 177 publications, 1.51%
East African Agricultural and Forestry Journal	East African Agricultural and Forestry Journal, 123, 1.05% East African Agricultural and Forestry Journal 123 publications, 1.05%
Journal of Infectious Diseases	Journal of Infectious Diseases, 115, 0.98% Journal of Infectious Diseases 115 publications, 0.98%
African Journal of Ecology	African Journal of Ecology, 104, 0.89% African Journal of Ecology 104 publications, 0.89%
Journal of Acquired Immune Deficiency Syndromes	Journal of Acquired Immune Deficiency Syndromes, 93, 0.79% Journal of Acquired Immune Deficiency Syndromes 93 publications, 0.79%
AIDS	AIDS, 84, 0.72% AIDS 84 publications, 0.72%
Tropical Animal Health and Production	Tropical Animal Health and Production, 81, 0.69% Tropical Animal Health and Production 81 publications, 0.69%
Malaria Journal	Malaria Journal, 77, 0.66% Malaria Journal 77 publications, 0.66%
F1000Research	F1000Research, 77, 0.66% F1000Research 77 publications, 0.66%
BMJ Open	BMJ Open, 65, 0.55% BMJ Open 65 publications, 0.55%
Heliyon	Heliyon, 63, 0.54% Heliyon 63 publications, 0.54%
Environmental Science and Engineering	Environmental Science and Engineering, 61, 0.52% Environmental Science and Engineering 61 publications, 0.52%
BMC Public Health	BMC Public Health, 61, 0.52% BMC Public Health 61 publications, 0.52%
Transactions of the Royal Society of Tropical Medicine and Hygiene	Transactions of the Royal Society of Tropical Medicine and Hygiene, 57, 0.49% Transactions of the Royal Society of Tropical Medicine and Hygiene 57 publications, 0.49%
AIDS Research and Human Retroviruses	AIDS Research and Human Retroviruses, 55, 0.47% AIDS Research and Human Retroviruses 55 publications, 0.47%
Preventive Veterinary Medicine	Preventive Veterinary Medicine, 54, 0.46% Preventive Veterinary Medicine 54 publications, 0.46%
Scientific Reports	Scientific Reports, 53, 0.45% Scientific Reports 53 publications, 0.45%
Sexually Transmitted Infections	Sexually Transmitted Infections, 52, 0.44% Sexually Transmitted Infections 52 publications, 0.44%
The Lancet	The Lancet, 50, 0.43% The Lancet 50 publications, 0.43%
Journal of Ethnopharmacology	Journal of Ethnopharmacology, 46, 0.39% Journal of Ethnopharmacology 46 publications, 0.39%
Veterinary Parasitology	Veterinary Parasitology, 45, 0.38% Veterinary Parasitology 45 publications, 0.38%
Parasites and Vectors	Parasites and Vectors, 45, 0.38% Parasites and Vectors 45 publications, 0.38%
BMC Infectious Diseases	BMC Infectious Diseases, 43, 0.37% BMC Infectious Diseases 43 publications, 0.37%
International Journal of Gynecology and Obstetrics	International Journal of Gynecology and Obstetrics, 42, 0.36% International Journal of Gynecology and Obstetrics 42 publications, 0.36%
Clinical Infectious Diseases	Clinical Infectious Diseases, 42, 0.36% Clinical Infectious Diseases 42 publications, 0.36%
AIDS and Behavior	AIDS and Behavior, 42, 0.36% AIDS and Behavior 42 publications, 0.36%
Wellcome Open Research	Wellcome Open Research, 42, 0.36% Wellcome Open Research 42 publications, 0.36%
Sexually Transmitted Diseases	Sexually Transmitted Diseases, 41, 0.35% Sexually Transmitted Diseases 41 publications, 0.35%
BMC Health Services Research	BMC Health Services Research, 40, 0.34% BMC Health Services Research 40 publications, 0.34%
	50 100 150 200 250 300

Publishers

	500 1000 1500 2000 2500
Springer Nature	Springer Nature, 2330, 19.84% Springer Nature 2330 publications, 19.84%
Elsevier	Elsevier, 2269, 19.32% Elsevier 2269 publications, 19.32%
Wiley	Wiley, 1155, 9.83% Wiley 1155 publications, 9.83%
Taylor & Francis	Taylor & Francis, 933, 7.94% Taylor & Francis 933 publications, 7.94%
Oxford University Press	Oxford University Press, 470, 4% Oxford University Press 470 publications, 4%
MDPI	MDPI, 395, 3.36% MDPI 395 publications, 3.36%
Public Library of Science (PLoS)	Public Library of Science (PLoS), 373, 3.18% Public Library of Science (PLoS) 373 publications, 3.18%
SAGE	SAGE, 346, 2.95% SAGE 346 publications, 2.95%
Ovid Technologies (Wolters Kluwer Health)	Ovid Technologies (Wolters Kluwer Health), 330, 2.81% Ovid Technologies (Wolters Kluwer Health) 330 publications, 2.81%
Hindawi Limited	Hindawi Limited, 256, 2.18% Hindawi Limited 256 publications, 2.18%
Frontiers Media S.A.	Frontiers Media S.A., 240, 2.04% Frontiers Media S.A. 240 publications, 2.04%
BMJ	BMJ, 230, 1.96% BMJ 230 publications, 1.96%
Cambridge University Press	Cambridge University Press, 200, 1.7% Cambridge University Press 200 publications, 1.7%
Social Science Electronic Publishing	Social Science Electronic Publishing, 170, 1.45% Social Science Electronic Publishing 170 publications, 1.45%
Academic Journals	Academic Journals, 159, 1.35% Academic Journals 159 publications, 1.35%
F1000 Research	F1000 Research, 152, 1.29% F1000 Research 152 publications, 1.29%
Emerald	Emerald, 92, 0.78% Emerald 92 publications, 0.78%
Mary Ann Liebert	Mary Ann Liebert, 90, 0.77% Mary Ann Liebert 90 publications, 0.77%
American Society for Microbiology	American Society for Microbiology, 80, 0.68% American Society for Microbiology 80 publications, 0.68%
IGI Global	IGI Global, 73, 0.62% IGI Global 73 publications, 0.62%
Walter de Gruyter	Walter de Gruyter, 58, 0.49% Walter de Gruyter 58 publications, 0.49%
AOSIS	AOSIS, 48, 0.41% AOSIS 48 publications, 0.41%
American Chemical Society (ACS)	American Chemical Society (ACS), 47, 0.4% American Chemical Society (ACS) 47 publications, 0.4%
Mark Allen Group	Mark Allen Group, 46, 0.39% Mark Allen Group 46 publications, 0.39%
Georg Thieme Verlag KG	Georg Thieme Verlag KG, 41, 0.35% Georg Thieme Verlag KG 41 publications, 0.35%
American Society of Clinical Oncology (ASCO)	American Society of Clinical Oncology (ASCO), 35, 0.3% American Society of Clinical Oncology (ASCO) 35 publications, 0.3%
American Society of Tropical Medicine and Hygiene	American Society of Tropical Medicine and Hygiene, 33, 0.28% American Society of Tropical Medicine and Hygiene 33 publications, 0.28%
Ubiquity Press	Ubiquity Press, 33, 0.28% Ubiquity Press 33 publications, 0.28%
Medpharm Publications Ltd.	Medpharm Publications Ltd., 30, 0.26% Medpharm Publications Ltd. 30 publications, 0.26%
National Inquiry Services Center (NISC)	National Inquiry Services Center (NISC), 29, 0.25% National Inquiry Services Center (NISC) 29 publications, 0.25%
	500 1000 1500 2000 2500

With other organizations

	100 200 300 400 500 600 700 800 900 1000
Kenya Medical Research Institute	Kenya Medical Research Institute, 993, 8.45% Kenya Medical Research Institute 993 publications, 8.45%
University of Washington	University of Washington, 860, 7.32% University of Washington 860 publications, 7.32%
International Livestock Research Institute (Kenya)	International Livestock Research Institute (Kenya), 383, 3.26% International Livestock Research Institute (Kenya) 383 publications, 3.26%
University of Manitoba	University of Manitoba, 341, 2.9% University of Manitoba 341 publications, 2.9%
Makerere University	Makerere University, 320, 2.72% Makerere University 320 publications, 2.72%
Jomo Kenyatta University of Agriculture and Technology	Jomo Kenyatta University of Agriculture and Technology, 318, 2.71% Jomo Kenyatta University of Agriculture and Technology 318 publications, 2.71%
University of Oxford	University of Oxford, 314, 2.67% University of Oxford 314 publications, 2.67%
International Centre of Insect Physiology and Ecology	International Centre of Insect Physiology and Ecology, 312, 2.66% International Centre of Insect Physiology and Ecology 312 publications, 2.66%
Kenyatta University	Kenyatta University, 304, 2.59% Kenyatta University 304 publications, 2.59%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 287, 2.44% London School of Hygiene & Tropical Medicine 287 publications, 2.44%
Fred Hutchinson Cancer Center	Fred Hutchinson Cancer Center, 282, 2.4% Fred Hutchinson Cancer Center 282 publications, 2.4%
University of Cape Town	University of Cape Town, 252, 2.15% University of Cape Town 252 publications, 2.15%
University of the Witwatersrand	University of the Witwatersrand, 187, 1.59% University of the Witwatersrand 187 publications, 1.59%
Harvard University	Harvard University, 166, 1.41% Harvard University 166 publications, 1.41%
Karolinska Institute	Karolinska Institute, 159, 1.35% Karolinska Institute 159 publications, 1.35%
University of Toronto	University of Toronto, 156, 1.33% University of Toronto 156 publications, 1.33%
University of KwaZulu-Natal	University of KwaZulu-Natal, 155, 1.32% University of KwaZulu-Natal 155 publications, 1.32%
Ghent University	Ghent University, 152, 1.29% Ghent University 152 publications, 1.29%
University of California, San Francisco	University of California, San Francisco, 152, 1.29% University of California, San Francisco 152 publications, 1.29%
Stellenbosch University	Stellenbosch University, 146, 1.24% Stellenbosch University 146 publications, 1.24%
Washington State University	Washington State University, 140, 1.19% Washington State University 140 publications, 1.19%
Egerton University	Egerton University, 137, 1.17% Egerton University 137 publications, 1.17%
Moi University	Moi University, 137, 1.17% Moi University 137 publications, 1.17%
University of Pretoria	University of Pretoria, 133, 1.13% University of Pretoria 133 publications, 1.13%
University of Edinburgh	University of Edinburgh, 132, 1.12% University of Edinburgh 132 publications, 1.12%
University College London	University College London, 131, 1.12% University College London 131 publications, 1.12%
University of Ghana	University of Ghana, 131, 1.12% University of Ghana 131 publications, 1.12%
University of Liverpool	University of Liverpool, 130, 1.11% University of Liverpool 130 publications, 1.11%
University of Ibadan	University of Ibadan, 128, 1.09% University of Ibadan 128 publications, 1.09%
Johns Hopkins University	Johns Hopkins University, 127, 1.08% Johns Hopkins University 127 publications, 1.08%
	100 200 300 400 500 600 700 800 900 1000

With foreign organizations

	100 200 300 400 500 600 700 800 900
University of Washington	University of Washington, 860, 7.32% University of Washington 860 publications, 7.32%
University of Manitoba	University of Manitoba, 341, 2.9% University of Manitoba 341 publications, 2.9%
Makerere University	Makerere University, 320, 2.72% Makerere University 320 publications, 2.72%
University of Oxford	University of Oxford, 314, 2.67% University of Oxford 314 publications, 2.67%
London School of Hygiene & Tropical Medicine	London School of Hygiene & Tropical Medicine, 287, 2.44% London School of Hygiene & Tropical Medicine 287 publications, 2.44%
Fred Hutchinson Cancer Center	Fred Hutchinson Cancer Center, 282, 2.4% Fred Hutchinson Cancer Center 282 publications, 2.4%
University of Cape Town	University of Cape Town, 252, 2.15% University of Cape Town 252 publications, 2.15%
University of the Witwatersrand	University of the Witwatersrand, 187, 1.59% University of the Witwatersrand 187 publications, 1.59%
Harvard University	Harvard University, 166, 1.41% Harvard University 166 publications, 1.41%
Karolinska Institute	Karolinska Institute, 159, 1.35% Karolinska Institute 159 publications, 1.35%
University of Toronto	University of Toronto, 156, 1.33% University of Toronto 156 publications, 1.33%
University of KwaZulu-Natal	University of KwaZulu-Natal, 155, 1.32% University of KwaZulu-Natal 155 publications, 1.32%
Ghent University	Ghent University, 152, 1.29% Ghent University 152 publications, 1.29%
University of California, San Francisco	University of California, San Francisco, 152, 1.29% University of California, San Francisco 152 publications, 1.29%
Stellenbosch University	Stellenbosch University, 146, 1.24% Stellenbosch University 146 publications, 1.24%
Washington State University	Washington State University, 140, 1.19% Washington State University 140 publications, 1.19%
University of Pretoria	University of Pretoria, 133, 1.13% University of Pretoria 133 publications, 1.13%
University of Edinburgh	University of Edinburgh, 132, 1.12% University of Edinburgh 132 publications, 1.12%
University College London	University College London, 131, 1.12% University College London 131 publications, 1.12%
University of Ghana	University of Ghana, 131, 1.12% University of Ghana 131 publications, 1.12%
University of Liverpool	University of Liverpool, 130, 1.11% University of Liverpool 130 publications, 1.11%
University of Ibadan	University of Ibadan, 128, 1.09% University of Ibadan 128 publications, 1.09%
Johns Hopkins University	Johns Hopkins University, 127, 1.08% Johns Hopkins University 127 publications, 1.08%
Imperial College London	Imperial College London, 123, 1.05% Imperial College London 123 publications, 1.05%
Wageningen University and Research Centre	Wageningen University and Research Centre, 122, 1.04% Wageningen University and Research Centre 122 publications, 1.04%
Addis Ababa University	Addis Ababa University, 115, 0.98% Addis Ababa University 115 publications, 0.98%
Public Health Agency of Canada	Public Health Agency of Canada, 113, 0.96% Public Health Agency of Canada 113 publications, 0.96%
Columbia University	Columbia University, 111, 0.95% Columbia University 111 publications, 0.95%
Centers for Disease Control and Prevention	Centers for Disease Control and Prevention, 94, 0.8% Centers for Disease Control and Prevention 94 publications, 0.8%
University of Copenhagen	University of Copenhagen, 91, 0.77% University of Copenhagen 91 publications, 0.77%
	100 200 300 400 500 600 700 800 900

With other countries

	500 1000 1500 2000 2500 3000
USA	USA, 2810, 23.92% USA 2810 publications, 23.92%
United Kingdom	United Kingdom, 1650, 14.05% United Kingdom 1650 publications, 14.05%
South Africa	South Africa, 898, 7.65% South Africa 898 publications, 7.65%
Canada	Canada, 790, 6.73% Canada 790 publications, 6.73%
Germany	Germany, 603, 5.13% Germany 603 publications, 5.13%
Uganda	Uganda, 515, 4.38% Uganda 515 publications, 4.38%
Sweden	Sweden, 406, 3.46% Sweden 406 publications, 3.46%
Netherlands	Netherlands, 403, 3.43% Netherlands 403 publications, 3.43%
Tanzania	Tanzania, 370, 3.15% Tanzania 370 publications, 3.15%
Switzerland	Switzerland, 368, 3.13% Switzerland 368 publications, 3.13%
Nigeria	Nigeria, 366, 3.12% Nigeria 366 publications, 3.12%
Australia	Australia, 349, 2.97% Australia 349 publications, 2.97%
Belgium	Belgium, 301, 2.56% Belgium 301 publications, 2.56%
Italy	Italy, 280, 2.38% Italy 280 publications, 2.38%
India	India, 277, 2.36% India 277 publications, 2.36%
Ghana	Ghana, 234, 1.99% Ghana 234 publications, 1.99%
France	France, 219, 1.86% France 219 publications, 1.86%
Ethiopia	Ethiopia, 214, 1.82% Ethiopia 214 publications, 1.82%
Japan	Japan, 210, 1.79% Japan 210 publications, 1.79%
China	China, 209, 1.78% China 209 publications, 1.78%
Denmark	Denmark, 206, 1.75% Denmark 206 publications, 1.75%
Brazil	Brazil, 182, 1.55% Brazil 182 publications, 1.55%
Rwanda	Rwanda, 142, 1.21% Rwanda 142 publications, 1.21%
Egypt	Egypt, 141, 1.2% Egypt 141 publications, 1.2%
Cameroon	Cameroon, 134, 1.14% Cameroon 134 publications, 1.14%
Zambia	Zambia, 132, 1.12% Zambia 132 publications, 1.12%
Norway	Norway, 132, 1.12% Norway 132 publications, 1.12%
Spain	Spain, 124, 1.06% Spain 124 publications, 1.06%
Botswana	Botswana, 119, 1.01% Botswana 119 publications, 1.01%
	500 1000 1500 2000 2500 3000

We do not take into account publications without a DOI.
Statistics recalculated daily.
Publications published earlier than 1965 are ignored in the statistics.
The horizontal charts show the 30 top positions.
Journals quartiles values are relevant at the moment.

Science degree

Academy membership

Research interests

Skills

Science degree

Academy membership

Research interests

Skills