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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Microbiology 55 3824 3511 1499 1339 116 10755

Dorothy Mbori-Ngacha publications per year

The chart shows the history of publications by Dorothy Mbori-Ngacha between 1989 and 2023, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Dorothy Mbori-Ngacha published across 35 years, from 1989 to 2023, averaging 3.7 papers a year. Output peaked at 10 publications in 2009. 2 of the 130 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1989 to 2023. Vertical axis: number of publications, 0 to 10. Peak 10 publications in 2009. 1989: 1 publication 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 2 publications 1996: 0 publications 1997: 2 publications 1998: 4 publications 1999: 4 publications 2000: 6 publications 2001: 8 publications 2002: 9 publications 2003: 6 publications 2004: 7 publications 2005: 6 publications 2006: 3 publications 2007: 9 publications 2008: 5 publications 2009: 10 publications 2010: 7 publications 2011: 7 publications 2012: 8 publications 2013: 4 publications 2014: 3 publications 2015: 1 publication 2016: 1 publication 2017: 4 publications 2018: 1 publication 2019: 3 publications 2020: 4 publications 2021: 3 publications 2022: 1 publication 2023: 1 publication
1989 2023

130 publications in total across all disciplines

View publications per year as a table
Dorothy Mbori-Ngacha: publications per year, 1989 to 2023
Year Publications
1989 1
1990 0
1991 0
1992 0
1993 0
1994 0
1995 2
1996 0
1997 2
1998 4
1999 4
2000 6
2001 8
2002 9
2003 6
2004 7
2005 6
2006 3
2007 9
2008 5
2009 10
2010 7
2011 7
2012 8
2013 4
2014 3
2015 1
2016 1
2017 4
2018 1
2019 3
2020 4
2021 3
2022 1
2023 1
Total 130
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Dorothy Mbori-Ngacha publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Dorothy Mbori-Ngacha sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 64 bars. Horizontal axis: publications, 55–64 to 679+. Vertical axis: number of scientists, 0 to 288. Most scientists, 288, have 135–144 publications. The last bar groups every scientist with 679 publications or more. The highlighted bar, 115–124 publications, is where this scientist sits. 55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 265 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 234 scientists 205–214 publications: 208 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55–64 publications 679+

This scientist: 116 publications — 10th percentile

10% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

View publications distribution as a table
Number of Microbiology scientists by publication count, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
Publications Scientists This scientist
55–64 8
65–74 29
75–84 55
85–94 112
95–104 137
105–114 190
115–124 235 116
125–134 234
135–144 288
145–154 265
155–164 264
165–174 253
175–184 276
185–194 190
195–204 234
205–214 208
215–224 198
225–234 155
235–244 161
245–254 160
255–264 146
265–274 139
275–284 148
285–294 115
295–304 96
305–314 88
315–324 106
325–334 65
335–344 76
345–354 64
355–364 62
365–374 65
375–384 61
385–394 34
395–404 44
405–414 36
415–424 35
425–434 29
435–444 33
445–454 34
455–464 25
465–474 26
475–484 20
485–494 19
495–504 16
505–514 17
515–524 23
525–534 14
535–544 14
545–554 18
555–564 12
565–574 7
575–584 9
585–594 9
595–604 9
605–614 7
615–624 9
625–634 7
635–644 4
645–654 5
655–664 6
665–674 7
675–678 3
679+ 99
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Dorothy Mbori-Ngacha D-index placement in Microbiology in 2026

The chart shows the D-index (discipline H-index) distribution of Microbiology scientists ranked by Research.com in 2026. The highlighted bar marks where Dorothy Mbori-Ngacha sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 88 bars. Horizontal axis: D-Index, 40 to 127+. Vertical axis: number of scientists, 0 to 162. Most scientists, 162, have 58 D-Index. The last bar groups every scientist with 127 D-Index or more. The highlighted bar, 55 D-Index, is where this scientist sits. 40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 112 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 123 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 94 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 55 D-Index — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

View D-Index distribution as a table
Number of Microbiology scientists by D-index, Research.com 2026 ranking edition. Based on 5,513 ranked scientists.
D-Index Scientists This scientist
40 30
41 86
42 90
43 117
44 122
45 123
46 108
47 110
48 106
49 109
50 129
51 111
52 116
53 127
54 134
55 134 55
56 112
57 136
58 162
59 151
60 139
61 123
62 126
63 144
64 109
65 103
66 124
67 112
68 103
69 131
70 94
71 93
72 96
73 92
74 80
75 66
76 87
77 60
78 73
79 59
80 57
81 55
82 47
83 77
84 50
85 45
86 42
87 41
88 32
89 38
90 35
91 34
92 27
93 26
94 33
95 22
96 37
97 22
98 21
99 22
100 30
101 16
102 20
103 17
104 19
105 16
106 19
107 18
108 14
109 10
110 9
111 7
112 11
113 6
114 15
115 10
116 12
117 7
118 10
119 10
120 11
121 2
122 7
123 12
124 5
125 9
126 6
127+ 95
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Overview

Dorothy Mbori-Ngacha is affiliated with the United Nations Children's Fund in the United States. Their research primarily focuses on HIV/AIDS and related health issues affecting children and mothers, especially in sub-Saharan Africa. Their work intersects multiple fields including medicine and health professions, with subfields covering infectious diseases, epidemiology, nutrition, and molecular biology.

Their research topics reflect an emphasis on HIV/AIDS research and interventions, adolescent sexual and reproductive health, child nutrition and water access, as well as breastfeeding practices and infant nutrition. The scientist also explores issues related to HIV, drug use, sexual risk, and the study of cytomegalovirus and herpesvirus.

Frequent coauthors collaborating with this researcher include Grace John-Stewart, Rose Bosire, Shaffiq Essajee, Elizabeth Maleche-Obimbo, and Carey Farquhar. These collaborations underline a multidisciplinary approach to public health challenges affecting vulnerable populations.

Their publications have appeared in a range of journals and venues, with repeat contributions to PLoS ONE, as well as the Bulletin of the World Health Organization, Journal of the International AIDS Society, mSystems, and the American Journal of Tropical Medicine and Hygiene.

  • Eliminating mother-to-child transmission of human immunodeficiency virus, syphilis and hepatitis B in sub-Saharan Africa (2021), Bulletin of the World Health Organization
  • Accelerating progress towards the elimination of mother-to-child transmission of HIV: a narrative review (2020), Journal of the International AIDS Society
  • Breast Milk Virome and Bacterial Microbiome Resilience in Kenyan Women Living with HIV (2021), mSystems
  • Maternal Diarrhea and Antibiotic Use are Associated with Increased Risk of Diarrhea among HIV-Exposed, Uninfected Infants in Kenya (2020), American Journal of Tropical Medicine and Hygiene
  • Examining the relationship between diarrhea and linear growth in Kenyan HIV-exposed, uninfected infants (2020), PLoS ONE

Best Publications

  • Effect of breastfeeding and formula feeding on transmission of HIV-1: a randomized clinical trial.

    Ruth Nduati;Grace John;Dorothy Mbori-Ngacha;Barbra Richardson

  • Antenatal couple counseling increases uptake of interventions to prevent HIV-1 transmission.

    Carey Farquhar;James N. Kiarie;Barbra A. Richardson;Marjory N. Kabura

  • Effect of Breastfeeding on Mortality Among HIV-1 Infected Women: A Randomised Trial

    Ruth Nduati;Barbra A. Richardson;Grace John;Dorothy Mbori-Ngacha

  • Shadow on the continent: public health and HIV/AIDS in Africa in the 21st century

    Kevin M De Cock;Dorothy Mbori-Ngacha;Dorothy Mbori-Ngacha;Elizabeth Marum

  • Correlates of mother-to-child human immunodeficiency virus type 1 (HIV-1) transmission: association with maternal plasma HIV-1 RNA load, genital HIV-1 DNA shedding, and breast infections.

    Grace C. John;Ruth W. Nduati;Dorothy A. Mbori-Ngacha;Barbra A. Richardson

  • Neutralization Escape Variants of Human Immunodeficiency Virus Type 1 Are Transmitted from Mother to Infant

    Xueling Wu;Adam B. Parast;Barbra A. Richardson;Ruth Nduati

  • Subtypes of Human Immunodeficiency Virus Type 1 and Disease Stage among Women in Nairobi, Kenya

    Joel R. Neilson;Grace C. John;Jean K. Carr;Paul Lewis

  • Male Antenatal Attendance and HIV Testing Are Associated with Decreased Infant HIV Infection and Increased HIV Free Survival

    Adam Aluisio;Barbra A. Richardson;Rose Bosire;Grace John-Stewart

  • Longitudinal Analysis of Human Immunodeficiency Virus Type 1 RNA in Breast Milk and of Its Relationship to Infant Infection and Maternal Disease

    Christine M Rousseau;Ruth W Nduati;Barbra A Richardson;Matthew S Steele

  • Morbidity and mortality in breastfed and formula-fed infants of HIV-1-infected women: a randomized clinical trial.

    Dorothy Mbori-Ngacha;Ruth Nduati;Grace John;Marie Reilly

  • Genital shedding of human immunodeficiency virus type 1 DNA during pregnancy: association with immunosuppression, abnormal cervical or vaginal discharge, and severe vitamin A deficiency.

    Grace C. John;Ruth W. Nduati;Dorothy Mbori-Ngacha;Julie Overbaugh

  • Association of Levels of HIV-1—Infected Breast Milk Cells and Risk of Mother-to-Child Transmission

    Christine M. Rousseau;Ruth W. Nduati;Barbra A. Richardson;Grace C. John-Stewart

  • Breast-feeding and Transmission of HIV-1.

    Grace John-Stewart;Dorothy Mbori-Ngacha;Rene Ekpini;Edward N. Janoff

  • Cell-Free Human Immunodeficiency Virus Type 1 in Breast Milk

    Paul Lewis;Ruth Nduati;Joan K. Kreiss;Grace C. John

  • A serostatus-based approach to HIV/AIDS prevention and care in Africa

    Kevin M de Cock;Elizabeth Marum;Dorothy Mbori-Ngacha

  • Rapid Method for Screening Dried Blood Samples on Filter Paper for Human Immunodeficiency Virus Type 1 DNA

    Dana DeVange Panteleeff;Grace John;Ruth Nduati;Dorothy Mbori-Ngacha

  • Breast-Milk Infectivity in Human Immunodeficiency Virus Type 1–Infected Mothers

    Barbra A Richardson;Grace C John-Stewart;James P Hughes;Ruth Nduati

  • Predictors of early mortality in a cohort of human immunodeficiency virus type 1-infected African children.

    Elizabeth M. Obimbo;Dorothy A. Mbori-Ngacha;James O. Ochieng;Barbra A. Richardson

  • Early response to highly active antiretroviral therapy in HIV-1-infected Kenyan children.

    Dalton C Wamalwa;Carey Farquhar;Elizabeth M Obimbo;Sara Selig

  • Salivary Secretory Leukocyte Protease Inhibitor Is Associated with Reduced Transmission of Human Immunodeficiency Virus Type 1 through Breast Milk

    Carey Farquhar;Thomas C. VanCott;Dorothy A. Mbori-Ngacha;Lena Horani

  • Rapid method for screening dried blood samples on filter paper for human immunodeficiency virus type 1 DNA. J Clin Microbiol. 1999 Feb;37(2):350-3

    DD Panteleeff;G John;R. Nduati;D Mbori-Ngacha

  • A serostatus-based approach to HIV/AIDS prevention and care in Africa. Lancet . 2003 Nov 29; 362 ( 9398 ): 1847-9

    E. Marum;K.M. De Cock;D. Mbori-Ngacha

Frequent Co-Authors

Grace John-Stewart
Grace John-Stewart University of Washington
Barbra A. Richardson
Barbra A. Richardson University of Washington
Carey Farquhar
Carey Farquhar University of Washington
Julie Overbaugh
Julie Overbaugh Fred Hutchinson Cancer Research Center
Joan K. Kreiss
Joan K. Kreiss University of Washington
Sarah Rowland-Jones
Sarah Rowland-Jones University of Sheffield
Jeckoniah O. Ndinya-Achola
Jeckoniah O. Ndinya-Achola University of Nairobi
Job J. Bwayo
Job J. Bwayo University of Nairobi
Tao Dong
Tao Dong University of Oxford
Mike English
Mike English Wellcome Trust

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