World's Best Scientists 2026 revealed!
Chaim M. Roifman

Chaim M. Roifman

D-Index & Metrics

Immunology

D-Index
82
Citations
22283
World Ranking
1517
National Ranking
27

Chaim M. Roifman 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 Chaim M. Roifman 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: 68 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: 331 publications — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Chaim M. Roifman 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 Chaim M. Roifman 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: 162 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: 82 D-Index — 70th percentile

70% of scientists in this discipline score the same or lower.

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

Overview

Chaim M. Roifman is affiliated with the University of Toronto in Canada and has contributed extensively to the fields of Medicine, Immunology and Microbiology, and Biochemistry, Genetics and Molecular Biology. Their research spans multiple subfields including Immunology, Genetics, Infectious Diseases, Hematology, and Molecular Biology.

Roifman's work frequently addresses topics such as Immunodeficiency and Autoimmune Disorders, Immune Cell Function and Interaction, T-cell and B-cell Immunology, as well as SARS-CoV-2 and COVID-19 related research, including clinical studies. The research also touches on NF-κB Signaling Pathways and interferon and immune responses.

They have published in a variety of scientific venues, with a concentration of publications in LymphoSign Journal, Journal of Allergy and Clinical Immunology, npj Genomic Medicine, Frontiers in Immunology, and Clinical Immunology.

Among Roifman's recent papers are:

  • "Characterization of the clinical and immunologic phenotype and management of 157 individuals with 56 distinct heterozygous NFKB1 mutations" (2020, Journal of Allergy and Clinical Immunology)
  • "Prevalence and Clinical Features of Inflammatory Bowel Diseases Associated With Monogenic Variants, Identified by Whole-Exome Sequencing in 1000 Children at a Single Center" (2020, Gastroenterology)
  • "Disruption of exon-bridging interactions between the minor and major spliceosomes results in alternative splicing around minor introns" (2021, Nucleic Acids Research)
  • "STAT1 gain-of-function heterozygous cell models reveal diverse interferon-signature gene transcriptional responses" (2021, npj Genomic Medicine)
  • "Combined immunodeficiency caused by a novel homozygous NFKB1 mutation" (2020, Journal of Allergy and Clinical Immunology)

Roifman has collaborated frequently with several co-authors, including Linda Vong, Ori Scott, Daniele Merico, Laura Abrego Fuentes, and Jenny Garkaby.

Best Publications

  • Inhibition of acute lymphoblastic leukaemia by a Jak-2 inhibitor

    N Meydan;T Grunberger;H Dadi;M Shahar

  • Defective T cell receptor signaling and CD8+ thymic selection in humans lacking Zap-70 kinase

    Enrico Arpaia;Michal Shahar;Harjit Dadi;Amos Cohen

  • Primary Immunodeficiency Diseases: An Update on the Classification from the International Union of Immunological Societies Expert Committee for Primary Immunodeficiency

    Waleed Al-Herz;Aziz Bousfiha;Jean-Laurent Casanova;Jean-Laurent Casanova;Helen Chapel

  • Autoantibodies against IL-17A, IL-17F, and IL-22 in patients with chronic mucocutaneous candidiasis and autoimmune polyendocrine syndrome type I

    Anne Puel;Anne Puel;Rainer Döffinger;Angels Natividad;Angels Natividad;Maya Chrabieh;Maya Chrabieh

  • Primary immunodeficiencies: 2009 update

    Luigi D. Notarangelo;Alain Fischer;Raif S. Geha;Jean-Laurent Casanova

  • Primary immunodeficiency diseases: An update from the International Union of Immunological Societies Primary Immunodeficiency Diseases Classification Committee

    Raif S. Geha;Luigi D. Notarangelo;Jean Laurent Casanova;Helen Chapel

  • Human immune disorder arising from mutation of the α chain of the interleukin-2 receptor

    Nigel Sharfe;Harjit K. Dadi;Michal Shahar;Chaim M. Roifman

  • Mutations in STAT3 and IL12RB1 impair the development of human IL-17–producing T cells

    Ludovic de Beaucoudrey;Ludovic de Beaucoudrey;Anne Puel;Anne Puel;Orchidée Filipe-Santos;Orchidée Filipe-Santos;Aurélie Cobat;Aurélie Cobat

  • Clinical Features and Outcome of Patients With IRAK-4 and MyD88 Deficiency

    Capucine Picard;Capucine Picard;Horst Von Bernuth;Horst Von Bernuth;Horst Von Bernuth;Pegah Ghandil;Pegah Ghandil;Pegah Ghandil;Maya Chrabieh;Maya Chrabieh

  • Selective predisposition to bacterial infections in IRAK-4–deficient children: IRAK-4–dependent TLRs are otherwise redundant in protective immunity

    Cheng Lung Ku;Horst Von Bernuth;Horst Von Bernuth;Capucine Picard;Shen Ying Zhang

  • Human TLR-7-, -8-, and -9-Mediated Induction of IFN-α/β and -λ Is IRAK-4 Dependent and Redundant for Protective Immunity to Viruses

    Kun Yang;Kun Yang;Anne Puel;Shenying Zhang;Shenying Zhang;Céline Eidenschenk

  • Omenn syndrome: inflammation in leaky severe combined immunodeficiency.

    Anna Villa;Luigi D. Notarangelo;Chaim M. Roifman

  • Primary immunodeficiency diseases: An update from the International Union of Immunological Societies Primary Immunodeficiency Diseases Classification Committee Meeting in Budapest, 2005

    Luigi Notarangelo;Jean-Laurent Casanova;Mary Ellen Conley;Helen Chapel

  • IL-10R polymorphisms are associated with very-early-onset ulcerative colitis

    Christopher J. Moran;Christopher J. Moran;Thomas D. Walters;Cong‐Hui Guo;Subra Kugathasan

  • Bone marrow transplantation for severe combined immune deficiency.

    Eyal Grunebaum;Evelina Mazzolari;Fulvio Porta;Daniela Dallera

  • Effect of CD3δ Deficiency on Maturation of α/β and γ/δ T-Cell Lineages in Severe Combined Immunodeficiency

    Harjit K. Dadi;Amos J. Simon;Chaim M. Roifman

  • Tartrate-resistant acid phosphatase deficiency causes a bone dysplasia with autoimmunity and a type I interferon expression signature.

    Tracy A. Briggs;Gillian I. Rice;Sarah Daly;Jill Urquhart

  • Health-related quality of life and treatment satisfaction in North American patients with primary immunedeficiency diseases receiving subcutaneous IgG self-infusions at home

    Uwe Nicolay;Peter Kiessling;Melvin Berger;Sudhir Gupta

  • A partial deficiency of interleukin-7Rα is sufficient to abrogate T-cell development and cause severe combined immunodeficiency

    Chaim M. Roifman;Junyan Zhang;David Chitayat;Nigel Sharfe

  • Increased susceptibility to mycoplasma infection in patients with hypogammaglobulinemia

    Chaim M. Roifman;C. Pandu Rao;Howard M. Lederman;Sasson Lavi

  • IL-2 receptor alpha deficiency and features of primary biliary cirrhosis.

    Christopher A Aoki;Chaim M Roifman;Zhe-Xiong Lian;Christopher L Bowlus

Frequent Co-Authors

Luigi D. Notarangelo
Luigi D. Notarangelo National Institutes of Health
Erwin W. Gelfand
Erwin W. Gelfand University of Colorado Anschutz Medical Campus
Mary Ellen Conley
Mary Ellen Conley Rockefeller University
Jean-Laurent Casanova
Jean-Laurent Casanova The University of Texas Southwestern Medical Center
Daniele Merico
Daniele Merico University of Toronto
Jennifer M. Puck
Jennifer M. Puck University of California, San Francisco
Hans D. Ochs
Hans D. Ochs University of Washington
Gordon B. Mills
Gordon B. Mills Oregon Health & Science University
Rebecca H. Buckley
Rebecca H. Buckley Duke University
Anne M. Griffiths
Anne M. Griffiths University of Toronto

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