World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Animal Science and Veterinary 43 948 876 286 245 92 6209

M. Kariuki Njenga publications per year

The chart shows the history of publications by M. Kariuki Njenga between 1991 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. M. Kariuki Njenga published across 36 years, from 1991 to 2026, averaging 4.1 papers a year. Output peaked at 16 publications in 2025. 20 of the 147 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1991 to 2026. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2025. 1991: 1 publication 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 1 publication 1997: 0 publications 1998: 2 publications 1999: 1 publication 2000: 2 publications 2001: 2 publications 2002: 7 publications 2003: 6 publications 2004: 2 publications 2005: 3 publications 2006: 0 publications 2007: 2 publications 2008: 7 publications 2009: 1 publication 2010: 7 publications 2011: 6 publications 2012: 8 publications 2013: 5 publications 2014: 1 publication 2015: 3 publications 2016: 2 publications 2017: 5 publications 2018: 9 publications 2019: 5 publications 2020: 4 publications 2021: 8 publications 2022: 8 publications 2023: 9 publications 2024: 9 publications 2025: 16 publications 2026: 4 publications
1991 2026

147 publications in total across all disciplines

View publications per year as a table
M. Kariuki Njenga: publications per year, 1991 to 2026
Year Publications
1991 1
1992 0
1993 0
1994 0
1995 1
1996 1
1997 0
1998 2
1999 1
2000 2
2001 2
2002 7
2003 6
2004 2
2005 3
2006 0
2007 2
2008 7
2009 1
2010 7
2011 6
2012 8
2013 5
2014 1
2015 3
2016 2
2017 5
2018 9
2019 5
2020 4
2021 8
2022 8
2023 9
2024 9
2025 16
2026 4
Total 147
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M. Kariuki Njenga publications per year - data summary

  • M. Kariuki Njenga, a Animal Science and Veterinary scholar from Washington State University, has 147 publications recorded across 36 years, from 1991 to 2026.
  • The oldest publication on record dates to 1991 and the most recent to 2026.
  • The most productive year is 2025, with 16 publications.
  • The least productive years with any output are 1991, 1995, 1996, 1999 and others, with 1 publication each.
  • 5 of the 36 years in the span carry no publications at all (1992, 1993, 1994, 1997 and others).
  • The rate of publication averages 4.1 papers per year over the whole span, or 4.7 per year counting only the 31 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 46 publications, 31% of the career total.
  • Split into equal eras - 1991-2002: 17 publications (1.4 per year); 2003-2014: 48 publications (4.0 per year); 2015-2026: 82 publications (6.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

M. Kariuki Njenga publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where M. Kariuki Njenga sits on this spectrum.

No. of scientists
25 50 75 100
Bar chart with 84 bars. Horizontal axis: publications, 29–33 to 442+. Vertical axis: number of scientists, 0 to 109. Most scientists, 109, have 119–123 publications. The last bar groups every scientist with 442 publications or more. The highlighted bar, 89–93 publications, is where this scientist sits. 29–33 publications: 1 scientist 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29–33 publications 442+

This scientist: 92 publications — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

View publications distribution as a table
Number of Animal Science and Veterinary scientists by publication count, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
Publications Scientists This scientist
29–33 1
34–38 6
39–43 17
44–48 23
49–53 28
54–58 44
59–63 66
64–68 75
69–73 71
74–78 85
79–83 108
84–88 105
89–93 84 92
94–98 103
99–103 97
104–108 95
109–113 89
114–118 88
119–123 109
124–128 93
129–133 89
134–138 95
139–143 92
144–148 80
149–153 75
154–158 74
159–163 67
164–168 53
169–173 62
174–178 63
179–183 50
184–188 55
189–193 50
194–198 27
199–203 44
204–208 31
209–213 28
214–218 38
219–223 33
224–228 36
229–233 29
234–238 35
239–243 23
244–248 24
249–253 29
254–258 28
259–263 21
264–268 25
269–273 11
274–278 18
279–283 13
284–288 18
289–293 10
294–298 12
299–303 11
304–308 15
309–313 14
314–318 14
319–323 8
324–328 8
329–333 13
334–338 14
339–343 13
344–348 10
349–353 11
354–358 5
359–363 8
364–368 8
369–373 6
374–378 7
379–383 8
384–388 3
389–393 4
394–398 5
399–403 8
404–408 5
409–413 4
414–418 3
419–423 8
424–428 5
429–433 3
434–438 5
439–441 5
442+ 99
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M. Kariuki Njenga publication distribution in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the publication count of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 84 ranges running from 29–33 to 442+ publications.
  • M. Kariuki Njenga, a Animal Science and Veterinary scholar from Washington State University, records 92 publications - the 22nd percentile of the discipline.
  • 22% of ranked Animal Science and Veterinary scientists score the same or lower than M. Kariuki Njenga, and about 78% score higher.
  • The median of the discipline falls in the 139–143 publications range, and M. Kariuki Njenga ranks below the median.
  • The most crowded range is 119–123 publications, holding 109 scientists (3% of the field).
  • 47% of the field sits in the lowest quarter of the value range (up to 129–133 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 442 publications or more, 99 scientists in all (3% of the field).

M. Kariuki Njenga D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where M. Kariuki Njenga sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 58 bars. Horizontal axis: D-Index, 20 to 77+. Vertical axis: number of scientists, 0 to 158. Most scientists, 158, have 31 D-Index. The last bar groups every scientist with 77 D-Index or more. The highlighted bar, 43 D-Index, is where this scientist sits. 20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 43 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

View D-Index distribution as a table
Number of Animal Science and Veterinary scientists by D-index, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
D-Index Scientists This scientist
20 5
21 22
22 31
23 44
24 53
25 66
26 80
27 101
28 106
29 116
30 154
31 158
32 143
33 137
34 126
35 134
36 112
37 115
38 105
39 111
40 107
41 87
42 74
43 62 43
44 61
45 41
46 51
47 43
48 28
49 47
50 40
51 34
52 33
53 43
54 16
55 32
56 21
57 18
58 28
59 33
60 17
61 21
62 18
63 21
64 9
65 20
66 11
67 16
68 12
69 17
70 13
71 15
72 11
73 11
74 14
75 5
76 6
77+ 100
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M. Kariuki Njenga D-index placement in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 58 ranges running from 20 to 77+ D-Index.
  • M. Kariuki Njenga, a Animal Science and Veterinary scholar from Washington State University, records 43 D-Index - the 71st percentile of the discipline.
  • 71% of ranked Animal Science and Veterinary scientists score the same or lower than M. Kariuki Njenga, and about 29% score higher.
  • The median of the discipline falls in the 36 D-Index range, and M. Kariuki Njenga ranks above the median.
  • The most crowded range is 31 D-Index, holding 158 scientists (5% of the field).
  • 43% of the field sits in the lowest quarter of the value range (up to 34 D-Index), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 77 D-Index or more, 100 scientists in all (3% of the field).

Overview

M. Kariuki Njenga is affiliated with Washington State University in the United States. Their primary field of study is Medicine, with significant contributions in subfields such as Infectious Diseases, Modeling and Simulation, Public Health, Environmental and Occupational Health, Epidemiology, and Health.

The scientist's research covers key topics including Viral Infections and Outbreaks Research, COVID-19 epidemiological studies, SARS-CoV-2 and COVID-19 Research, Viral Infections and Vectors, Vaccine Coverage and Hesitancy, Animal Disease Management and Epidemiology, and COVID-19 Clinical Research Studies.

Frequent coauthors collaborating with M. Kariuki Njenga include:

  • Eric Osoro
  • Isaac Ngere
  • Jeanette Dawa
  • John Gachohi
  • Carolyne Nasimiyu

Key publication venues for their research work are:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Vaccine
  • American Journal of Tropical Medicine and Hygiene
  • PLoS ONE
  • BMJ Global Health

Selected recent papers authored or coauthored by M. Kariuki Njenga include:

  • "Why is There Low Morbidity and Mortality of COVID-19 in Africa?", 2020, American Journal of Tropical Medicine and Hygiene
  • "High seroprevalence of SARS-CoV-2 but low infection fatality ratio eight months after introduction in Nairobi, Kenya", 2021, International Journal of Infectious Diseases
  • "Carriage of antimicrobial-resistant bacteria in a high-density informal settlement in Kenya is associated with environmental risk-factors", 2021, Antimicrobial Resistance and Infection Control
  • "High real-time reporting of domestic and wild animal diseases following rollout of mobile phone reporting system in Kenya", 2021, PLoS ONE
  • "Point-prevalence survey of antibiotic use at three public referral hospitals in Kenya", 2022, PLoS ONE

Best Publications

  • Seroprevalence of Chikungunya virus (CHIKV) infection on Lamu Island, Kenya, October 2004.

    Kibet Sergon;Charles Njuguna;Rosalia Kalani;Victor Ofula

  • Application of TaqMan Low-Density Arrays for Simultaneous Detection of Multiple Respiratory Pathogens

    Maja Kodani;Genyan Yang;Laura M. Conklin;Tatiana C. Travis

  • SEROPREVALENCE OF CHIKUNGUNYA VIRUS INFECTION ON GRANDE COMORE ISLAND, UNION OF THE COMOROS, 2005

    Kibet Sergon;Ali Ahmed Yahaya;Jennifer Brown;Said A. Bedja

  • The Burden of Common Infectious Disease Syndromes at the Clinic and Household Level from Population-Based Surveillance in Rural and Urban Kenya

    Daniel R. Feikin;Daniel R. Feikin;Beatrice Olack;Beatrice Olack;Godfrey M. Bigogo;Godfrey M. Bigogo;Allan Audi;Allan Audi

  • Tracking epidemic Chikungunya virus into the Indian Ocean from East Africa

    M. Kariuki Njenga;L. Nderitu;J. P. Ledermann;A. Ndirangu

  • Risk factors for severe Rift Valley fever infection in Kenya, 2007.

    Amwayi S. Anyangu;L. Hannah Gould;Shahnaaz K. Sharif;Patrick M. Nguku

  • Comparison of Nasopharyngeal and Oropharyngeal Swabs for the Diagnosis of Eight Respiratory Viruses by Real-Time Reverse Transcription-PCR Assays

    Curi Kim;Jamal A. Ahmed;Rachel B. Eidex;Raymond Nyoka

  • Epidemiologic and Clinical Aspects of a Rift Valley Fever Outbreak in Humans in Tanzania, 2007

    Mohamed Mohamed;Fausta Mosha;Janeth Mghamba;Sherif R. Zaki

  • Prevalence of antibodies against Rift Valley fever virus in Kenyan wildlife.

    A. Evans;F. Gakuya;J. T. Paweska;M. Rostal

  • Rift Valley Fever Outbreak in Livestock in Kenya, 2006–2007

    Peninah Munyua;Rees M. Murithi;Sherrilyn Wainwright;Jane Githinji

  • An Investigation of a Major Outbreak of Rift Valley Fever in Kenya: 2006–2007

    Patrick M. Nguku;S. K. Sharif;David Mutonga;Samuel Amwayi

  • Prevalent Class I-Restricted T-Cell Response to the Theiler’s Virus Epitope Db:VP2121–130 in the Absence of Endogenous CD4 Help, Tumor Necrosis Factor Alpha, Gamma Interferon, Perforin, or Costimulation through CD28

    Aaron J. Johnson;M. Kariuki Njenga;Michael J. Hansen;Scott T. Kuhns

  • Etiology and Incidence of viral and bacterial acute respiratory illness among older children and adults in rural western Kenya, 2007-2010.

    Daniel R. Feikin;M. Kariuki Njenga;Godfrey Bigogo;Barrack Aura

  • PERFORIN-DEPENDENT NEUROLOGIC INJURY IN A VIRAL MODEL OF MULTIPLE SCLEROSIS

    Paul D. Murray;Dorian B. McGavern;Xiaoqi Lin;M. Kariuki Njenga

  • Rift Valley fever in Kenya: history of epizootics and identification of vulnerable districts

    R. M. Murithi;P. Munyua;P. M. Ithondeka;J. M. Macharia

  • Linking Human Health and Livestock Health: A “One-Health” Platform for Integrated Analysis of Human Health, Livestock Health, and Economic Welfare in Livestock Dependent Communities

    S. M. Thumbi;M. Kariuki Njenga;Thomas L. Marsh;Susan Noh

  • Human Infection with Rickettsia felis, Kenya

    Allen L Richards;Ju Jiang;Sylvia A Omulo;Ryan Dare

  • Coxiella burnetii in humans, domestic ruminants, and ticks in rural western Kenya.

    Darryn Leslie Knobel;Alice N. Maina;Sally J. Cutler;Eric Ogola

  • Epidemiology of respiratory viral infections in two long-term refugee camps in Kenya, 2007-2010

    Jamal A Ahmed;Jamal A Ahmed;Mark A Katz;Eric Auko;M Kariuki Njenga

  • A review of 40 years of enteric antimicrobial resistance research in Eastern Africa: what can be done better?

    Sylvia Omulo;Samuel M Thumbi;M Kariuki Njenga;Douglas R Call

  • Molecular detection of Rickettsia felis and Candidatus Rickettsia Asemboensis in Fleas from Human Habitats, Asembo, Kenya

    Ju Jiang;Alice N. Maina;Darryn Leslie Knobel;Sarah Cleaveland

  • A Smartphone App (AfyaData) for Innovative One Health Disease Surveillance from Community to National Levels in Africa: Intervention in Disease Surveillance.

    Esron Karimuribo;Eric Mutagahywa;Calvin Sindato;Leonard E G Mboera

  • Rickettsia felis infection in febrile patients, western Kenya, 2007-2010.

    Alice N. Maina;Alice N. Maina;Darryn Leslie Knobel;Darryn Leslie Knobel;Ju Jiang;Jo E.B. Halliday

  • Viral and bacterial causes of severe acute respiratory illness among children aged less than 5 years in a high malaria prevalence area of western Kenya, 2007-2010.

    Daniel R. Feikin;M. Kariuki Njenga;Godfrey Bigogo;Barrack Aura

  • Avian Pneumovirus (APV) RNA from Wild and Sentinel Birds in the United States Has Genetic Homology with RNA from APV Isolates from Domestic Turkeys

    Hyun-Jin Shin;M. Kariuki Njenga;Brian McComb;David A. Halvorson

  • Molecular Epidemiology of Subgroup C Avian Pneumoviruses Isolated in the United States and Comparison with Subgroup A and B Viruses

    Hyun Jin Shin;Kjerstin T. Cameron;Janet A. Jacobs;Elizabeth A. Turpin

  • Association of the CT values of real-time PCR of viral upper respiratory tract infection with clinical severity, Kenya.

    James A. Fuller;M. Kariuki Njenga;Godfrey Bigogo;Barrack Aura

  • Porcine Encephalomyocarditis Virus Persists in Pig Myocardium and Infects Human Myocardial Cells

    L. A. Brewer;H. C. M. Lwamba;M. P. Murtaugh;A. C. Palmenberg

  • Severe acute respiratory infection in children in a densely populated urban slum in Kenya, 2007–2011

    Robert F Breiman;Robert F Breiman;Leonard Cosmas;M Kariuki Njenga;M Kariuki Njenga;John Williamson

  • Recombinant nucleocapsid-based ELISA for detection of IgG antibody to Rift Valley fever virus in African buffalo.

    Janusz T. Paweska;Petrus Jansen van Vuren;Alan Kemp;Peter Buss

Frequent Co-Authors

Robert F. Breiman
Robert F. Breiman Emory University
Daniel R. Feikin
Daniel R. Feikin Centers for Disease Control and Prevention
Moses Rodriguez
Moses Rodriguez Mayo Clinic
Bruce S. Seal
Bruce S. Seal Oregon State University
Dean D. Erdman
Dean D. Erdman Centers for Disease Control and Prevention
Darryn L. Knobel
Darryn L. Knobel Ross University School of Veterinary Medicine
Allen W. Hightower
Allen W. Hightower Centers for Disease Control and Prevention
Sarah Cleaveland
Sarah Cleaveland University of Glasgow
Janusz T. Paweska
Janusz T. Paweska National Health Laboratory Service
Barry S. Fields
Barry S. Fields Centers for Disease Control and Prevention

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Related Online Degrees & Career Pathways

For students interested in expanding their knowledge beyond Animal Science and Veterinary studies, exploring related online degrees can open diverse career opportunities. For example, programs like nasp approved online school psychology programs offer pathways into educational psychology, which can complement animal behavior studies and therapy approaches.

Additionally, those interested in clinical and counseling roles might consider online psyd programs accredited by apa. These programs provide advanced training in psychological services, supporting careers that intersect with animal-assisted therapy or mental health support.

Online options are also available in specialized counseling fields such as addiction and family therapy. For example, an addiction counseling degree online counseling prepares students to address substance abuse issues, often benefiting communities where animal-assisted interventions play a role.

Similarly, pursuing an online masters in marriage and family therapy can enhance skills in understanding human relationships, which is valuable in veterinary practice settings focusing on the human-animal bond.

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