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D-Index & Metrics

Discipline name D-Index World Ranking National Ranking Publications Citations
Immunology 46 4641 100 112 6877

Leopold Zekeng publications per year

The chart shows the history of publications by Leopold Zekeng between 1990 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Leopold Zekeng published across 37 years, from 1990 to 2026, averaging 3.2 papers a year. Output peaked at 12 publications in 1997. 3 of the 117 publications appeared in the last two years.

No. of publications
5 10
Bar chart. Horizontal axis: year, 1990 to 2026. Vertical axis: number of publications, 0 to 12. Peak 12 publications in 1997. 1990: 2 publications 1991: 1 publication 1992: 5 publications 1993: 1 publication 1994: 5 publications 1995: 4 publications 1996: 5 publications 1997: 12 publications 1998: 12 publications 1999: 7 publications 2000: 6 publications 2001: 12 publications 2002: 7 publications 2003: 6 publications 2004: 11 publications 2005: 4 publications 2006: 7 publications 2007: 0 publications 2008: 2 publications 2009: 1 publication 2010: 0 publications 2011: 0 publications 2012: 1 publication 2013: 0 publications 2014: 0 publications 2015: 1 publication 2016: 0 publications 2017: 0 publications 2018: 0 publications 2019: 0 publications 2020: 0 publications 2021: 0 publications 2022: 1 publication 2023: 0 publications 2024: 1 publication 2025: 2 publications 2026: 1 publication
1990 2026

117 publications in total across all disciplines

View publications per year as a table
Leopold Zekeng: publications per year, 1990 to 2026
Year Publications
1990 2
1991 1
1992 5
1993 1
1994 5
1995 4
1996 5
1997 12
1998 12
1999 7
2000 6
2001 12
2002 7
2003 6
2004 11
2005 4
2006 7
2007 0
2008 2
2009 1
2010 0
2011 0
2012 1
2013 0
2014 0
2015 1
2016 0
2017 0
2018 0
2019 0
2020 0
2021 0
2022 1
2023 0
2024 1
2025 2
2026 1
Total 117
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Leopold Zekeng publication distribution in Immunology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Immunology in 2026. The highlighted bar marks where Leopold Zekeng sits on this spectrum.

No. of scientists
50 100 150
Bar chart with 76 bars. Horizontal axis: publications, 62–71 to 807+. Vertical axis: number of scientists, 0 to 189. Most scientists, 189, have 152–161 publications. The last bar groups every scientist with 807 publications or more. The highlighted bar, 112–121 publications, is where this scientist sits. 62–71 publications: 9 scientists 72–81 publications: 23 scientists 82–91 publications: 40 scientists 92–101 publications: 72 scientists 102–111 publications: 86 scientists 112–121 publications: 108 scientists 122–131 publications: 150 scientists 132–141 publications: 160 scientists 142–151 publications: 159 scientists 152–161 publications: 189 scientists 162–171 publications: 166 scientists 172–181 publications: 181 scientists 182–191 publications: 188 scientists 192–201 publications: 187 scientists 202–211 publications: 178 scientists 212–221 publications: 158 scientists 222–231 publications: 168 scientists 232–241 publications: 159 scientists 242–251 publications: 160 scientists 252–261 publications: 148 scientists 262–271 publications: 116 scientists 272–281 publications: 125 scientists 282–291 publications: 115 scientists 292–301 publications: 111 scientists 302–311 publications: 95 scientists 312–321 publications: 97 scientists 322–331 publications: 97 scientists 332–341 publications: 99 scientists 342–351 publications: 96 scientists 352–361 publications: 69 scientists 362–371 publications: 76 scientists 372–381 publications: 71 scientists 382–391 publications: 71 scientists 392–401 publications: 62 scientists 402–411 publications: 54 scientists 412–421 publications: 41 scientists 422–431 publications: 63 scientists 432–441 publications: 53 scientists 442–451 publications: 31 scientists 452–461 publications: 42 scientists 462–471 publications: 40 scientists 472–481 publications: 29 scientists 482–491 publications: 34 scientists 492–501 publications: 30 scientists 502–511 publications: 23 scientists 512–521 publications: 41 scientists 522–531 publications: 29 scientists 532–541 publications: 28 scientists 542–551 publications: 16 scientists 552–561 publications: 18 scientists 562–571 publications: 18 scientists 572–581 publications: 17 scientists 582–591 publications: 17 scientists 592–601 publications: 17 scientists 602–611 publications: 19 scientists 612–621 publications: 13 scientists 622–631 publications: 12 scientists 632–641 publications: 11 scientists 642–651 publications: 16 scientists 652–661 publications: 9 scientists 662–671 publications: 5 scientists 672–681 publications: 13 scientists 682–691 publications: 12 scientists 692–701 publications: 6 scientists 702–711 publications: 6 scientists 712–721 publications: 9 scientists 722–731 publications: 9 scientists 732–741 publications: 6 scientists 742–751 publications: 11 scientists 752–761 publications: 10 scientists 762–771 publications: 7 scientists 772–781 publications: 12 scientists 782–791 publications: 7 scientists 792–801 publications: 5 scientists 802–806 publications: 1 scientist 807+ publications: 100 scientists
62–71 publications 807+

This scientist: 112 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 807 publications or more.

View publications distribution as a table
Number of Immunology scientists by publication count, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
Publications Scientists This scientist
62–71 9
72–81 23
82–91 40
92–101 72
102–111 86
112–121 108 112
122–131 150
132–141 160
142–151 159
152–161 189
162–171 166
172–181 181
182–191 188
192–201 187
202–211 178
212–221 158
222–231 168
232–241 159
242–251 160
252–261 148
262–271 116
272–281 125
282–291 115
292–301 111
302–311 95
312–321 97
322–331 97
332–341 99
342–351 96
352–361 69
362–371 76
372–381 71
382–391 71
392–401 62
402–411 54
412–421 41
422–431 63
432–441 53
442–451 31
452–461 42
462–471 40
472–481 29
482–491 34
492–501 30
502–511 23
512–521 41
522–531 29
532–541 28
542–551 16
552–561 18
562–571 18
572–581 17
582–591 17
592–601 17
602–611 19
612–621 13
622–631 12
632–641 11
642–651 16
652–661 9
662–671 5
672–681 13
682–691 12
692–701 6
702–711 6
712–721 9
722–731 9
732–741 6
742–751 11
752–761 10
762–771 7
772–781 12
782–791 7
792–801 5
802–806 1
807+ 100
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Leopold Zekeng D-index placement in Immunology in 2026

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

No. of scientists
50 100 150 200
Bar chart with 60 bars. Horizontal axis: D-Index, 40–41 to 157+. Vertical axis: number of scientists, 0 to 201. Most scientists, 201, have 58–59 D-Index. The last bar groups every scientist with 157 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 40–41 D-Index: 28 scientists 42–43 D-Index: 91 scientists 44–45 D-Index: 157 scientists 46–47 D-Index: 192 scientists 48–49 D-Index: 175 scientists 50–51 D-Index: 188 scientists 52–53 D-Index: 177 scientists 54–55 D-Index: 155 scientists 56–57 D-Index: 194 scientists 58–59 D-Index: 201 scientists 60–61 D-Index: 197 scientists 62–63 D-Index: 201 scientists 64–65 D-Index: 173 scientists 66–67 D-Index: 167 scientists 68–69 D-Index: 172 scientists 70–71 D-Index: 199 scientists 72–73 D-Index: 184 scientists 74–75 D-Index: 133 scientists 76–77 D-Index: 163 scientists 78–79 D-Index: 127 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 125 scientists 84–85 D-Index: 121 scientists 86–87 D-Index: 102 scientists 88–89 D-Index: 96 scientists 90–91 D-Index: 75 scientists 92–93 D-Index: 72 scientists 94–95 D-Index: 74 scientists 96–97 D-Index: 66 scientists 98–99 D-Index: 68 scientists 100–101 D-Index: 49 scientists 102–103 D-Index: 60 scientists 104–105 D-Index: 54 scientists 106–107 D-Index: 36 scientists 108–109 D-Index: 23 scientists 110–111 D-Index: 52 scientists 112–113 D-Index: 41 scientists 114–115 D-Index: 34 scientists 116–117 D-Index: 25 scientists 118–119 D-Index: 28 scientists 120–121 D-Index: 11 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 27 scientists 126–127 D-Index: 19 scientists 128–129 D-Index: 20 scientists 130–131 D-Index: 16 scientists 132–133 D-Index: 17 scientists 134–135 D-Index: 14 scientists 136–137 D-Index: 15 scientists 138–139 D-Index: 9 scientists 140–141 D-Index: 11 scientists 142–143 D-Index: 9 scientists 144–145 D-Index: 9 scientists 146–147 D-Index: 7 scientists 148–149 D-Index: 7 scientists 150–151 D-Index: 7 scientists 152–153 D-Index: 5 scientists 154–155 D-Index: 8 scientists 156 D-Index: 6 scientists 157+ D-Index: 96 scientists
40–41 D-Index 157+

This scientist: 46 D-Index — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 157 D-Index or more.

View D-Index distribution as a table
Number of Immunology scientists by D-index, Research.com 2026 ranking edition. Based on 4,929 ranked scientists.
D-Index Scientists This scientist
40–41 28
42–43 91
44–45 157
46–47 192 46
48–49 175
50–51 188
52–53 177
54–55 155
56–57 194
58–59 201
60–61 197
62–63 201
64–65 173
66–67 167
68–69 172
70–71 199
72–73 184
74–75 133
76–77 163
78–79 127
80–81 121
82–83 125
84–85 121
86–87 102
88–89 96
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49
102–103 60
104–105 54
106–107 36
108–109 23
110–111 52
112–113 41
114–115 34
116–117 25
118–119 28
120–121 11
122–123 20
124–125 27
126–127 19
128–129 20
130–131 16
132–133 17
134–135 14
136–137 15
138–139 9
140–141 11
142–143 9
144–145 9
146–147 7
148–149 7
150–151 7
152–153 5
154–155 8
156 6
157+ 96
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Overview

Leopold Zekeng is affiliated with the Joint United Nations Programme on HIV/AIDS in Switzerland. Their research primarily focuses on medicine, with a particular emphasis on infectious diseases, general health professions, economics and econometrics, epidemiology, and clinical psychology.

The scientist's work covers several interconnected research topics, including:

  • HIV/AIDS Research and Interventions
  • HIV/AIDS Impact and Responses
  • HIV, Drug Use, Sexual Risk
  • Adolescent Sexual and Reproductive Health
  • Migration, Health and Trauma
  • Homelessness and Social Issues
  • International Development and Aid

Zekeng has contributed to multiple recent scholarly papers published between 2022 and 2025. These include:

  • "Tanzania HIV Investment Case (IC) 2.0: Using modeling to explore optimization under severe resource constraints," 2022, Journal of Global Health Reports
  • "Application of the UNAIDS Incidence Patterns Model to Determine the Distribution of New HIV Infection in Lagos State, Nigeria," 2024, Journal of the International Association of Providers of AIDS Care (JIAPAC)
  • "Associations of psychological distress, alcohol and substance use, and HIV risk behaviour in forcibly displaced persons and migrants in Nigeria," 2025, Conflict and Health
  • "Oral health knowledge and practices of women with children who are internally displaced, refugees, and migrants in Nigeria: a cross-sectional study," 2025, BMC Oral Health

Their frequent co-authors include:

  • Gabriel Undelikwo
  • Fatimah Jajere
  • Samuel Anya
  • Takpa Koubagnine
  • Ernest Afu Ochang

Zekeng's work has appeared in several publication venues with repeated contributions to areas focusing on HIV/AIDS and related health challenges. These venues are:

  • Journal of the International Association of Providers of AIDS Care (JIAPAC)
  • Conflict and Health
  • Journal of Global Health Reports
  • BMC Oral Health

Best Publications

  • A Controlled Trial of Nonoxynol 9 Film to Reduce Male-to-Female Transmission of Sexually Transmitted Diseases

    Ronald E. Roddy;Léopold Zekeng;Kelley A. Ryan;Ubald Tamoufé

  • A new subtype of human immunodeficiency virus type 1 (MVP-5180) from Cameroon

    Unknown

  • Effectiveness and safety of a generic fixed-dose combination of nevirapine, stavudine, and lamivudine in HIV-1-infected adults in Cameroon: open-label multicentre trial

    Christian Laurent;Charles Kouanfack;Sinata Koulla-Shiro;Nathalie Nkoué

  • The epidemiology of HSV-2 infection and its association with HIV infection in four urban African populations

    HA Weiss;A Buve;NJ Robinson;E Van Dyck

  • Multicentre study on factors determining differences in rate of spread of HIV in sub-Saharan Africa: methods and prevalence of HIV infection.

    A Buvé;M Caraël;RJ Hayes;B Auvert

  • A new subtype (subgenotype) Ac (A3) of hepatitis B virus and recombination between genotypes A and E in Cameroon.

    Fuat Kurbanov;Yasuhito Tanaka;Kei Fujiwara;Fuminaka Sugauchi

  • Simplified strategy for detection of recombinant human immunodeficiency virus type 1 group M isolates by gag/env heteroduplex mobility assay

    L Heyndrickx;W Janssens;L Zekeng;R Musonda

  • The multicentre study on factors determining the differential spread of HIV in four African cities: summary and conclusions

    A. Buvé;M. Caraël;R. J. Hayes;B. Auvert

  • Human Immunodeficiency Virus Type 1 Intergroup (M/O) Recombination in Cameroon

    Jun Takehisa;Léopold Zekeng;Eiji Ido;Yumi Yamaguchi-Kabata;Yumi Yamaguchi-Kabata

  • Sensitivity of United States HIV antibody tests for detection of HIV-1 group O infections

    C. Schable;C-P. Pau;D. Hu;T. Dondero

  • Various types of HIV mixed infections in Cameroon.

    Jun Takehisa;Léopold Zekeng;Eiji Ido;Innocent Mboudjeka

  • Effect of Nonoxynol-9 Gel on Urogenital Gonorrhea and Chlamydial Infection: A Randomized Controlled Trial

    Ronald E. Roddy;Léopold Zekeng;Kelley A. Ryan;Ubald Tamoufé

  • Does increased general schooling protect against HIV infection? A study in four African cities.

    Judith R Glynn;Michel Caraël;Anne Buvé;Séverin Anagonou

  • Biological and genetic characteristics of HIV infections in Cameroon reveals dual group M and O infections and a correlation between SI-inducing phenotype of the predominant CRF02_AG variant and disease stage.

    Laurence Vergne;Anke Bourgeois;Eitel Mpoudi-Ngole;Rose Mougnutou

  • Barrier contraceptive use and HIV infection among high-risk women in Cameroon.

    Leopold Zekeng;Paul J. Feldblum;Regina M. Oliver;Lazare Kaptue

  • Performance of the Celera Diagnostics ViroSeq HIV-1 Genotyping System for Sequence-Based Analysis of Diverse Human Immunodeficiency Virus Type 1 Strains

    Susan H. Eshleman;John Hackett;Priscilla Swanson;Shawn P. Cunningham

  • Decreased fertility among HIV-1-infected women attending antenatal clinics in three African cities.

    Judith R. Glynn;Anne Buve;Michel Caraël;Maina Kahindo

  • The epidemiology of gonorrhoea, chlamydial infection and syphilis in four African cities.

    A Buvé;HA Weiss;M Laga;E Van Dyck

  • Factors influencing the difference in HIV prevalence between antenatal clinic and general population in sub-Saharan Africa.

    Judith R. Glynn;Anne Buvé;Michel Caraël;Rosemary M. Musonda

  • The epidemiology of trichomoniasis in women in four African cities

    A Buvé;HA Weiss;M Laga;E Van Dyck

  • The prevalence of diverse HIV-1 strains was stable in Cameroonian blood donors from 1996 to 2004.

    Catherine A Brennan;Pierre Bodelle;Ruthie Coffey;Sushil G Devare

  • Nonoxynol-9 use, genital ulcers, and HIV infection in a cohort of sex workers.

    S S Weir;R E Roddy;L Zekeng;P J Feldblum

Frequent Co-Authors

Martine Peeters
Martine Peeters Institut de Recherche pour le Développement
Helen A. Weiss
Helen A. Weiss London School of Hygiene & Tropical Medicine
Eric Delaporte
Eric Delaporte University of Montpellier
Masanori Hayami
Masanori Hayami Kyoto University
Marie Laga
Marie Laga Institute of Tropical Medicine Antwerp
Richard J. Hayes
Richard J. Hayes London School of Hygiene & Tropical Medicine
Judith R. Glynn
Judith R. Glynn London School of Hygiene & Tropical Medicine
Eitel Mpoudi-Ngole
Eitel Mpoudi-Ngole Johns Hopkins University
John N. Nkengasong
John N. Nkengasong Centers for Disease Control and Prevention
Hans-Georg Kräusslich
Hans-Georg Kräusslich Heidelberg University

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