World's Best Scientists 2026 revealed!
Alain Fischer

Alain Fischer

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Best Scientists
2025
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Immunology
France
2026

D-Index & Metrics

Best Scientists

D-Index
173
Citations
118870
World Ranking
775
National Ranking
14

Immunology

D-Index
176
Citations
122975
World Ranking
42
National Ranking
2

Medicine

D-Index
177
Citations
123290
World Ranking
404
National Ranking
9

Alain Fischer 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 Alain Fischer sits on this spectrum.

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 scientists 807+ publications: 100 scientists
62 publications 807+

This scientist: 910 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Alain Fischer 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 Alain Fischer sits on this spectrum.

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 D-Index 157+

This scientist: 176 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2026 - Research.com Immunology in France Leader Award
  • 2026 - Research.com Medicine in France Leader Award
  • 2025 - Research.com Best Scientists Award
  • 2025 - Research.com Immunology in France Leader Award
  • 2025 - Research.com Medicine in France Leader Award
  • 2023 - Research.com Immunology in France Leader Award
  • 2023 - Research.com Medicine in France Leader Award
  • 2022 - Research.com Immunology in France Leader Award
  • 2022 - Research.com Medicine in France Leader Award
  • 2019 - Member of the National Academy of Sciences
  • 2017 - Member of the National Academy of Medicine (NAM)
  • 2016 - Presidential Award, Clinical Immunology Society
  • 2015 - Japan Prize for the proposal of the concept of gene therapy and its clinical applications.
  • 2014 - Robert Koch Prize
  • 2000 - Grand Prix scientifique de la Fondation NRJ, Institut de France
  • Member of the European Molecular Biology Organization (EMBO)
  • Member of the European Molecular Biology Organization (EMBO)
  • Member of the European Molecular Biology Organization (EMBO)
  • Member of the European Molecular Biology Organization (EMBO)
  • Member of the European Molecular Biology Organization (EMBO)
  • Member of the European Molecular Biology Organization (EMBO)
  • Member of the European Molecular Biology Organization (EMBO)

Overview

Alain Fischer is affiliated with the Collège de France in France. Their research contributions span multiple fields, including Medicine, Immunology and Microbiology, and Biochemistry, Genetics and Molecular Biology. The primary subfields of their work are Immunology, Molecular Biology, Genetics, Infectious Diseases, and Epidemiology.

The scientist's work extensively covers several main research topics, such as Immunodeficiency and Autoimmune Disorders, Immune Cell Function and Interaction, Blood Disorders and Treatments, Cytomegalovirus and Herpesvirus Research, Interferon and Immune Responses, Parvovirus B19 Infection Studies, and SARS-CoV-2 and COVID-19 Research.

Frequent collaborators include Bénédicte Neven, Capucine Pïcard, Despina Moshous, Frédéric Rieux-Laucat, and Nizar Mahlaoui.

Alain Fischer has published numerous papers, with several recent works noted for their relevance and citation impact:

  • Impaired type I interferon activity and inflammatory responses in severe COVID-19 patients, 2020, Science
  • Coronavirus disease 2019 in patients with inborn errors of immunity: An international study, 2020, Journal of Allergy and Clinical Immunology
  • Impaired type I interferon activity and exacerbated inflammatory responses in severe Covid-19 patients, 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • Overview of STING-Associated Vasculopathy with Onset in Infancy (SAVI) Among 21 Patients, 2020, The Journal of Allergy and Clinical Immunology In Practice
  • Initial presenting manifestations in 16,486 patients with inborn errors of immunity include infections and noninfectious manifestations, 2021, Journal of Allergy and Clinical Immunology

The scientist regularly publishes in key journals including the Journal of Allergy and Clinical Immunology, Blood, bioRxiv (Cold Spring Harbor Laboratory), Journal of Clinical Immunology, and Nature Communications.

Alain Fischer is also an author of books, including Genetyka medyczna i molekularna published by Polish Scientific Publishers PWN in 2023, and Le coronavirus et ces microbes qu'il nous faut combattre, première édition published by Frontiers Media in 2022.

Recognition received by Alain Fischer includes membership in prestigious organizations such as the National Academy of Sciences (2019), the National Academy of Medicine (2017), and the European Molecular Biology Organization. They were awarded the Presidential Award by the Clinical Immunology Society in 2016, the Japan Prize in 2015 for the proposal of the concept of gene therapy and its clinical applications, the Robert Koch Prize in 2014, and the Grand Prix scientifique de la Fondation NRJ, Institut de France in 2000.

Best Publications

  • LMO2-associated clonal T cell proliferation in two patients after gene therapy for SCID-X1.

    S. Hacein-Bey-Abina;C. Von Kalle;C. Von Kalle;M. Schmidt;M. P. McCormack

  • Gene therapy of human severe combined immunodeficiency (SCID)-X1 disease

    Marina Cavazzana-Calvo;Salima Hacein-Bey;Geneviève De Saint Basile;Fabian Gross

  • Impaired type I interferon activity and inflammatory responses in severe COVID-19 patients.

    Jérôme Hadjadj;Nader Yatim;Laura Barnabei;Aurélien Corneau

  • A Serious Adverse Event after Successful Gene Therapy for X-Linked Severe Combined Immunodeficiency

    Salima Hacein-Bey-Abina;Christof Von Kalle;Manfred Schmidt;Françoise Le Deist

  • Insertional oncogenesis in 4 patients after retrovirus-mediated gene therapy of SCID-X1

    Salima Hacein-Bey-Abina;Alexandrine Garrigue;Gary P. Wang;Jean Soulier

  • Activation-induced cytidine deaminase (AID) deficiency causes the autosomal recessive form of the Hyper-IgM syndrome (HIGM2).

    Patrick Revy;Taro Muto;Yves Levy;Frédéric Geissmann

  • Mutations in Fas associated with human lymphoproliferative syndrome and autoimmunity

    F. Rieux-Laucat;F. Le Deist;C. Hivroz;I. A. G. Roberts

  • Hematopoietic Stem Cell Gene Therapy with a Lentiviral Vector in X-Linked Adrenoleukodystrophy

    Nathalie Cartier;Salima Hacein-Bey-Abina;Cynthia C. Bartholomae;Gabor Veres

  • Transfusion independence and HMGA2 activation after gene therapy of human β-thalassaemia

    Marina Cavazzana-Calvo;Emmanuel Payen;Olivier Negre;Gary Wang

  • Revised classification of histiocytoses and neoplasms of the macrophage-dendritic cell lineages.

    Jean-François Emile;Oussama Abla;Sylvie Fraitag;Annacarin Horne

  • Perforin Gene Defects in Familial Hemophagocytic Lymphohistiocytosis

    Susan E. Stepp;Rémi Dufourcq-Lagelouse;Françoise Le Deist;Françoise Le Deist;Sadhna Bhawan

  • Sustained Correction of X-Linked Severe Combined Immunodeficiency by ex Vivo Gene Therapy

    Salima Hacein-Bey-Abina;Françoise Le Deist;Frédérique Carlier;Cécile Bouneaud

  • Mutations in RAB27A cause Griscelli syndrome associated with haemophagocytic syndrome.

    Ménasché G;Pastural E;Feldmann J;Certain S

  • INTERFERON-GAMMA-RECEPTOR DEFICIENCY IN AN INFANT WITH FATAL BACILLE CALMETTE-GUERIN INFECTION

    Emmanuelle Jouanguy;Frédéric Altare;Salma Lamhamedi;Patrick Revy

  • Munc13-4 Is Essential for Cytolytic Granules Fusion and Is Mutated in a Form of Familial Hemophagocytic Lymphohistiocytosis (FHL3)

    Jérôme Feldmann;Isabelle Callebaut;Graça Raposo;Stéphanie Certain

  • Artemis, a Novel DNA Double-Strand Break Repair/V(D)J Recombination Protein, Is Mutated in Human Severe Combined Immune Deficiency

    Despina Moshous;Isabelle Callebaut;Régina de Chasseval;Barbara Corneo

  • Lymphoid development in mice with a targeted deletion of the interleukin 2 receptor gamma chain.

    James P. Disanto;Werner Muller;Delphine Guy-Grand;Alain Fischer

  • Impairment of mycobacterial immunity in human interleukin-12 receptor deficiency

    Frédéric Altare;Anne Durandy;David Lammas;Jean-François Emile

  • CD40 ligand mutations in X-linked immunodeficiency with hyper-IgM

    J. P. Disanto;J. Y. Bonnefoy;J. F. Gauchat;A. Fischer

  • X-linked anhidrotic ectodermal dysplasia with immunodeficiency is caused by impaired NF-kappaB signaling.

    Rainer Döffinger;Asma Smahi;Christine Bessia;Frédéric Geissmann

Frequent Co-Authors

Capucine Picard
Capucine Picard Université Paris Cité
Marina Cavazzana-Calvo
Marina Cavazzana-Calvo Necker-Enfants Malades Hospital
Stéphane Blanche
Stéphane Blanche Université Paris Cité
Bénédicte Neven
Bénédicte Neven Université Paris Cité
Despina Moshous
Despina Moshous Necker-Enfants Malades Hospital
Françoise Le Deist
Françoise Le Deist University of Montreal
Geneviève de Saint Basile
Geneviève de Saint Basile Necker-Enfants Malades Hospital
Jean-Laurent Casanova
Jean-Laurent Casanova The University of Texas Southwestern Medical Center
Frédéric Rieux-Laucat
Frédéric Rieux-Laucat Université Paris Cité

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