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
Immunology 100 713 657 407 369 291 52828
Medicine 100 8134 7646 4215 3902 288 52875

Louis J. Picker publications per year

The chart shows the history of publications by Louis J. Picker between 1979 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Louis J. Picker published across 48 years, from 1979 to 2026, averaging 7.1 papers a year. Output peaked at 21 publications in 2019. 15 of the 343 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1979 to 2026. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2019. 1979: 1 publication 1980: 3 publications 1981: 0 publications 1982: 0 publications 1983: 1 publication 1984: 1 publication 1985: 1 publication 1986: 1 publication 1987: 3 publications 1988: 7 publications 1989: 12 publications 1990: 2 publications 1991: 5 publications 1992: 4 publications 1993: 11 publications 1994: 10 publications 1995: 6 publications 1996: 5 publications 1997: 7 publications 1998: 6 publications 1999: 6 publications 2000: 6 publications 2001: 13 publications 2002: 9 publications 2003: 3 publications 2004: 5 publications 2005: 8 publications 2006: 11 publications 2007: 5 publications 2008: 3 publications 2009: 6 publications 2010: 5 publications 2011: 10 publications 2012: 10 publications 2013: 8 publications 2014: 10 publications 2015: 6 publications 2016: 10 publications 2017: 9 publications 2018: 9 publications 2019: 21 publications 2020: 15 publications 2021: 13 publications 2022: 10 publications 2023: 20 publications 2024: 11 publications 2025: 13 publications 2026: 2 publications
1979 2026

343 publications in total across all disciplines

View publications per year as a table
Louis J. Picker: publications per year, 1979 to 2026
Year Publications
1979 1
1980 3
1981 0
1982 0
1983 1
1984 1
1985 1
1986 1
1987 3
1988 7
1989 12
1990 2
1991 5
1992 4
1993 11
1994 10
1995 6
1996 5
1997 7
1998 6
1999 6
2000 6
2001 13
2002 9
2003 3
2004 5
2005 8
2006 11
2007 5
2008 3
2009 6
2010 5
2011 10
2012 10
2013 8
2014 10
2015 6
2016 10
2017 9
2018 9
2019 21
2020 15
2021 13
2022 10
2023 20
2024 11
2025 13
2026 2
Total 343
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Louis J. Picker 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 Louis J. Picker 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, 282–291 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: 291 publications — 62nd percentile

62% 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
282–291 115 291
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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Louis J. Picker 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 Louis J. Picker 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, 100–101 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: 100 D-Index — 86th percentile

86% 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
88–89 96
90–91 75
92–93 72
94–95 74
96–97 66
98–99 68
100–101 49 100
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

Louis J. Picker is affiliated with Oregon Health & Science University in the United States. Their research predominantly spans the fields of Immunology and Microbiology as well as Medicine. These areas are supported by a strong focus on several subfields, notably Immunology, Epidemiology, Virology, Infectious Diseases, and Molecular Biology.

The research topics covered by Louis J. Picker include:

  • Immune Cell Function and Interaction
  • Cytomegalovirus and herpesvirus research
  • HIV Research and Treatment
  • T-cell and B-cell Immunology
  • Herpesvirus Infections and Treatments
  • Immunotherapy and Immune Responses
  • Tuberculosis Research and Epidemiology

Their recent notable publications are:

  • Sequence diversity analyses of an improved rhesus macaque genome enhance its biomedical utility, 2020, Science
  • Ultra-low Dose Aerosol Infection of Mice with Mycobacterium tuberculosis More Closely Models Human Tuberculosis, 2020, Cell Host & Microbe
  • The Identity of Human Tissue-Emigrant CD8+ T Cells, 2020, Cell
  • TGFβ restricts expansion, survival, and function of T cells within the tuberculous granuloma, 2021, Cell Host & Microbe
  • Modulation of MHC-E transport by viral decoy ligands is required for RhCMV/SIV vaccine efficacy, 2021, Science

Among frequent co-authors, Louis J. Picker has collaborated extensively with Scott G. Hansen, Michael K. Axthelm, Klaus Früh, David Morrow, and Daniel Malouli. These collaborations have supported a substantial body of scientific work likely contributing to the fields related to immunology and virology.

Louis J. Picker's most common publication venues include bioRxiv (Cold Spring Harbor Laboratory), The Journal of Immunology, PLoS Pathogens, Science Immunology, and Frontiers in Immunology. These venues reflect a consistent presence in reputable journals within biomedical and immunological research.

Best Publications

  • Microbial translocation is a cause of systemic immune activation in chronic HIV infection

    Jason M. Brenchley;David A. Price;Timothy W. Schacker;Tedi E. Asher

  • Lymphocyte homing and homeostasis.

    Eugene C. Butcher;Louis J. Picker

  • Changes in thymic function with age and during the treatment of HIV infection

    Daniel C. Douek;Richard D. McFarland;Phillip H. Keiser;Earl A. Gage

  • Broadly targeted human cytomegalovirus-specific CD4+ and CD8+ T cells dominate the memory compartments of exposed subjects

    Andrew W. Sylwester;Bridget L. Mitchell;John B. Edgar;Cara Taormina

  • Profound early control of highly pathogenic SIV by an effector memory T-cell vaccine

    Scott G. Hansen;Julia C. Ford;Matthew S. Lewis;Abigail B. Ventura

  • ELAM-1 is an adhesion molecule for skin-homing T cells

    Louis J. Picker;Louis J. Picker;Louis J. Picker;Takashi K. Kishimoto;Takashi K. Kishimoto;C. Wayne Smith;R. Aaron Warnock;R. Aaron Warnock

  • HIV-1-specific CD4+ T cells are detectable in most individuals with active HIV-1 infection, but decline with prolonged viral suppression.

    Christine J. Pitcher;Claudia Quittner;Dolores M. Peterson;Mark Connors

  • Physiological and molecular mechanisms of lymphocyte homing.

    Louis J. Picker;Eugene C. Butcher;Eugene C. Butcher

  • Analysis of total human immunodeficiency virus (HIV)-specific CD4(+) and CD8(+) T-cell responses: relationship to viral load in untreated HIV infection

    Michael R. Betts;David R. Ambrozak;Daniel C. Douek;Sebastian Bonhoeffer

  • T Cell Dynamics in HIV-1 Infection*

    Daniel C. Douek;Louis J. Picker;Richard A. Koup

  • Determination of antigen-specific memory/effector CD4+ T cell frequencies by flow cytometry: evidence for a novel, antigen-specific homeostatic mechanism in HIV-associated immunodeficiency.

    Shar L. Waldrop;Christine J. Pitcher;Dolores M. Peterson;Vernon C. Maino

  • The neutrophil selectin LECAM-1 presents carbohydrate ligands to the vascular selectins ELAM-1 and GMP-140

    Louis J. Picker;R.Aaron Warnock;R.Aaron Warnock;Alan R. Burns;Claire M. Doerschuk;Claire M. Doerschuk

  • Effector memory T cell responses are associated with protection of rhesus monkeys from mucosal simian immunodeficiency virus challenge

    Scott G Hansen;Cassandra Vieville;Nathan Whizin;Lia Coyne-Johnson

  • A human lymphocyte homing receptor, the Hermes antigen, is related to cartilage proteoglycan core and link proteins

    Leslie A. Goldstein;Leslie A. Goldstein;David F.H. Zhou;David F.H. Zhou;Louis J. Picker;Louis J. Picker;Catherine N. Minty;Catherine N. Minty

  • A unique phenotype of skin-associated lymphocytes in humans. Preferential expression of the HECA-452 epitope by benign and malignant T cells at cutaneous sites.

    L. J. Picker;S. A. Michie;L. S. Rott;E. C. Butcher

  • Immune clearance of highly pathogenic SIV infection

    Scott G. Hansen;Michael Piatak;Abigail B. Ventura;Colette M. Hughes

  • The cutaneous lymphocyte antigen is a skin lymphocyte homing receptor for the vascular lectin endothelial cell-leukocyte adhesion molecule 1

    E L Berg;T Yoshino;L S Rott;M K Robinson

  • Direct demonstration of cytokine synthesis heterogeneity among human memory/effector T cells by flow cytometry.

    Louis J. Picker;Manoj K. Singh;Zoran Zdraveski;John R. Treer

  • Pathogenesis of HIV infection: what the virus spares is as important as what it destroys.

    Zvi Grossman;Martin Meier-Schellersheim;William E Paul;Louis J Picker

  • CD4+ T‐cell depletion in HIV infection: mechanisms of immunological failure

    Afam A. Okoye;Louis J. Picker

  • Human lymphocytes bearing T cell receptor gamma/delta are phenotypically diverse and evenly distributed throughout the lymphoid system.

    V Groh;S Porcelli;M Fabbi;L L Lanier

Frequent Co-Authors

Michael K. Axthelm
Michael K. Axthelm Oregon National Primate Research Center
Klaus Früh
Klaus Früh Oregon Health & Science University
Jay A. Nelson
Jay A. Nelson Oregon Health & Science University
Eugene C. Butcher
Eugene C. Butcher Stanford University
Vernon C. Maino
Vernon C. Maino Becton Dickinson (United States)
Jonah B. Sacha
Jonah B. Sacha Oregon Health & Science University
Michael Piatak
Michael Piatak Leidos (United States)
Roger A. Warnke
Roger A. Warnke Stanford University
David I. Watkins
David I. Watkins George Washington University
Daniel C. Douek
Daniel C. Douek National Institute of Allergy and Infectious Diseases

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