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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Immunology 87 1220 1108 42 42 488 24791

Ger T. Rijkers publications per year

The chart shows the history of publications by Ger T. Rijkers between 1977 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ger T. Rijkers published across 50 years, from 1977 to 2026, averaging 10.8 papers a year. Output peaked at 33 publications in 2011. 7 of the 540 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1977 to 2026. Vertical axis: number of publications, 0 to 33. Peak 33 publications in 2011. 1977: 1 publication 1978: 1 publication 1979: 2 publications 1980: 6 publications 1981: 4 publications 1982: 2 publications 1983: 0 publications 1984: 6 publications 1985: 4 publications 1986: 7 publications 1987: 2 publications 1988: 9 publications 1989: 8 publications 1990: 8 publications 1991: 12 publications 1992: 12 publications 1993: 13 publications 1994: 4 publications 1995: 10 publications 1996: 6 publications 1997: 10 publications 1998: 5 publications 1999: 6 publications 2000: 5 publications 2001: 8 publications 2002: 7 publications 2003: 15 publications 2004: 10 publications 2005: 19 publications 2006: 18 publications 2007: 23 publications 2008: 14 publications 2009: 19 publications 2010: 16 publications 2011: 33 publications 2012: 25 publications 2013: 17 publications 2014: 11 publications 2015: 13 publications 2016: 13 publications 2017: 23 publications 2018: 19 publications 2019: 17 publications 2020: 22 publications 2021: 15 publications 2022: 3 publications 2023: 25 publications 2024: 5 publications 2025: 5 publications 2026: 2 publications
1977 2026

540 publications in total across all disciplines

View publications per year as a table
Ger T. Rijkers: publications per year, 1977 to 2026
Year Publications
1977 1
1978 1
1979 2
1980 6
1981 4
1982 2
1983 0
1984 6
1985 4
1986 7
1987 2
1988 9
1989 8
1990 8
1991 12
1992 12
1993 13
1994 4
1995 10
1996 6
1997 10
1998 5
1999 6
2000 5
2001 8
2002 7
2003 15
2004 10
2005 19
2006 18
2007 23
2008 14
2009 19
2010 16
2011 33
2012 25
2013 17
2014 11
2015 13
2016 13
2017 23
2018 19
2019 17
2020 22
2021 15
2022 3
2023 25
2024 5
2025 5
2026 2
Total 540
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Ger T. Rijkers 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 Ger T. Rijkers 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, 482–491 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: 488 publications — 89th percentile

89% 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
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 34 488
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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Ger T. Rijkers 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 Ger T. Rijkers 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, 86–87 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: 87 D-Index — 76th percentile

76% 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
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 87
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

Ger T. Rijkers is affiliated with University College Roosevelt in the Netherlands and has made contributions primarily in the fields of Medicine and Immunology and Microbiology. Their research focuses on various subfields including Immunology, Infectious Diseases, Epidemiology, Surgery, and Molecular Biology.

The scientist's work spans several main topics, prominently featuring:

  • SARS-CoV-2 and COVID-19 Research
  • Immune Cell Function and Interaction
  • Gut microbiota and health
  • Pneumonia and Respiratory Infections
  • Immunodeficiency and Autoimmune Disorders
  • Vaccine Coverage and Hesitancy
  • Pediatric health and respiratory diseases

Frequent coauthors in their publications include:

  • F. G. M. Kroese
  • Frans J. van Overveld
  • Jean-Luc Murk
  • Jan C. Grutters
  • Thijs W. Hoffman

Publications by Ger T. Rijkers have appeared in multiple venues, with several articles published in:

  • Preprints.org
  • Vaccines
  • Pneumonia
  • Journal of Vaccines Immunology and Immunopathology
  • Medical Research Archives

Key recent papers include:

  • Differences in Antibody Kinetics and Functionality Between Severe and Mild Severe Acute Respiratory Syndrome Coronavirus 2 Infections, 2020, The Journal of Infectious Diseases
  • Antigen Presentation of mRNA-Based and Virus-Vectored SARS-CoV-2 Vaccines, 2021, Vaccines
  • Global analysis of clinical trials with probiotics, 2020, Heliyon
  • More bricks in the wall against SARS-CoV-2 infection: involvement of γ9δ2 T cells, 2020, Cellular and Molecular Immunology
  • Adjunctive treatment with oral dexamethasone in non-ICU patients hospitalised with community-acquired pneumonia: a randomised clinical trial, 2021, European Respiratory Journal

Additionally, Ger T. Rijkers has contributed to the publication of books, including a title published by Frontiers Media:

  • Defects in Regulation: How, Where and When The Immune System Can Go Wrong, 2022

Best Publications

  • Intestinal microbiota in human health and disease: the impact of probiotics

    Jacoline Gerritsen;Hauke Smidt;Ger T. Rijkers;Willem M. de Vos;Willem M. de Vos

  • Simultaneous detection of 15 human cytokines in a single sample of stimulated peripheral blood mononuclear cells.

    Wilco de Jager;Henk te Velthuis;Berent J. Prakken;Wietse Kuis

  • Mutations in MVK, encoding mevalonate kinase, cause hyperimmunoglobulinaemia D and periodic fever syndrome

    S. M. Houten;W. Kuis;M. Duran;T. J. De Koning

  • CD4+CD25bright Regulatory T Cells Actively Regulate Inflammation in the Joints of Patients with the Remitting Form of Juvenile Idiopathic Arthritis

    Ismé M. de Kleer;Lucy R. Wedderburn;Leonie S. Taams;Alka Patel

  • Prerequisites for cytokine measurements in clinical trials with multiplex immunoassays

    Wilco de Jager;Katarzyna Bourcier;Ger T Rijkers;Berent J Prakken

  • Effect of conjugate pneumococcal vaccine followed by polysaccharide pneumococcal vaccine on recurrent acute otitis media: a randomised study

    Reinier Veenhoven;Debby Bogaert;Cuno Uiterwaal;Carole Brouwer

  • The effects of selected probiotic strains on the development of eczema (The PandA study)

    L.E.M. Niers;R. Martin;G.T. Rijkers;F. Sengers

  • Improved multiplex immunoassay performance in human plasma and synovial fluid following removal of interfering heterophilic antibodies.

    Wilco de Jager;Berent J. Prakken;Johannes W.J. Bijlsma;Wietse Kuis

  • Trauma: the role of the innate immune system

    F Hietbrink;L Koenderman;GT Rijkers;Lph Leenen

  • Identification of strong interleukin-10 inducing lactic acid bacteria which down-regulate T helper type 2 cytokines.

    L. E. M. Niers;H. M. Timmerman;G. T. Rijkers;G. M. van Bleek

  • Guidance for substantiating the evidence for beneficial effects of probiotics: prevention and management of infections by probiotics.

    Marko Kalliomäki;Jean-Michel Antoine;Udo Herz;Ger T. Rijkers

  • The immune system of cyprinid fish. Kinetics and temperature dependence of antibody-producing cells in carp (Cyprinus carpio).

    G.T. Rijkers;E.M.H. Frederix-Wolters;W.B. van Muiswinkel

  • Recognition of human 60 kD heat shock protein by mononuclear cells from patients with juvenile chronic arthritis

    E.R. De Graeff-Meeder;G.T. Rijkers;W. Kuis;B.J.M. Zegers

  • Tolerogenic immune responses to novel T-cell epitopes from heat-shock protein 60 in juvenile idiopathic arthritis.

    Sylvia Kamphuis;Wietse Kuis;Wilco de Jager;Gijs Teklenburg

  • A new xenograft model for graft-versus-host disease by intravenous transfer of human peripheral blood mononuclear cells in RAG2-/- gammac-/- double-mutant mice.

    Rozemarijn S. van Rijn;Elles R. Simonetti;Anton Hagenbeek;Marieke C. H. Hogenes

  • Human immunoglobulin G (IgG) Fc receptor IIA (CD32) polymorphism and IgG2-mediated bacterial phagocytosis by neutrophils

    L. A. M. Sanders;R. G. Feldman;M. M. Voorhorst-Ogink;M. De Haas

  • Effect of butyrate enemas on inflammation and antioxidant status in the colonic mucosa of patients with ulcerative colitis in remission

    Henrike M. Hamer;Daisy M.A.E. Jonkers;Steven A.L.W. Vanhoutvin;Freddy J. Troost

  • Fc gamma receptor IIa (CD32) heterogeneity in patients with recurrent bacterial respiratory tract infections.

    L. A. M. Sanders;J. G. J. Van De Winkel;G. T. Rijkers;M. M. Voorhorst-Ogink

  • Lack of isoprenoid products raises ex vivo interleukin-1beta secretion in hyperimmunoglobulinemia D and periodic fever syndrome.

    Joost Frenkel;Ger T. Rijkers;Saskia H. L. Mandey;Sandra W. M. Buurman

  • Effect of carrier priming on immunogenicity of saccharide-protein conjugate vaccines.

    C. C. A. M. Peeters;A.-M. Tenbergen-Meekes;J. T. Poolman;M. Beurret

  • Solid-phase and bead-based cytokine immunoassay: A comparison

    Wilco de Jager;Ger T. Rijkers

Frequent Co-Authors

Elisabeth A. M. Sanders
Elisabeth A. M. Sanders Utrecht University
Berent J. Prakken
Berent J. Prakken Utrecht University
Wilco de Jager
Wilco de Jager University Medical Center Utrecht
Hein G. Gooszen
Hein G. Gooszen Radboud University
Hauke Smidt
Hauke Smidt Wageningen University & Research
Guy A. M. Berbers
Guy A. M. Berbers University of Minnesota
Marinus Duran
Marinus Duran University of Amsterdam
Jan Damoiseaux
Jan Damoiseaux Maastricht University
Cobi Jacoba Johanna Heijnen
Cobi Jacoba Johanna Heijnen The University of Texas MD Anderson Cancer Center
Cuno S.P.M. Uiterwaal
Cuno S.P.M. Uiterwaal Utrecht University

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