World's Best Scientists 2026 revealed!

D-Index & Metrics

Immunology

D-Index
63
Citations
10363
World Ranking
3080
National Ranking
1442

Karel A. Schat 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 Karel A. Schat 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: 208 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Karel A. Schat 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 Karel A. Schat 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: 63 D-Index — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Overview

Karel A. Schat is affiliated with Cornell University in the United States and conducts research primarily within the fields of Medicine, Biochemistry, Genetics and Molecular Biology, and Agricultural and Biological Sciences. Their work spans several interconnected subfields including Molecular Biology, Epidemiology, Immunology, Animal Science and Zoology, and Genetics.

The scientist's research focus centers on topics related to CRISPR and Genetic Engineering, Herpesvirus Infections and Treatments, RNA and protein synthesis mechanisms, Cytomegalovirus and herpesvirus research, Animal Virus Infections Studies, Animal Disease Management and Epidemiology, and Immune Response and Inflammation.

Several recent papers authored or co-authored by Karel A. Schat illustrate their engagement in these domains. Among these publications are:

  • "Germline engineering of the chicken genome using CRISPR/Cas9 by in vivo transfection of PGCs" (2020), Animal Biotechnology
  • "In Vivo Inhibition of Marek's Disease Virus in Transgenic Chickens Expressing Cas9 and gRNA against ICP4" (2021), Microorganisms
  • "In Vitro Inhibition of Influenza Virus Using CRISPR/Cas13a in Chicken Cells" (2021), Methods and Protocols
  • "The Importance of the Bursa of Fabricius, B Cells and T Cells for the Pathogenesis of Marek's Disease: A Review" (2022), Viruses
  • "Primary Chicken and Duck Endothelial Cells Display a Differential Response to Infection with Highly Pathogenic Avian Influenza Virus" (2021), Genes

The scientist frequently collaborates with colleagues such as Arjun Challagulla, Timothy J. Doran, Bernd Kaspers, Kristie A. Jenkins, and Terri E. O'Neil. These collaborations are reflected in multiple joint publications that further define the scope and impact of their research.

Karel A. Schat has contributed to publications in several key scientific journals, including Avian Diseases, Functional & Integrative Genomics, Animal Biotechnology, Microorganisms, and Methods and Protocols.

Best Publications

  • Characterisation of two highly oncogenic strains of Marek's disease virus 1 2

    K.A. Schat;B.W. Calnek;J. Fabricant

  • Classification of Marek's disease viruses according to pathotype: philosophy and methodology.

    R. L. Witter;B. W. Calnek;Celina Buscaglia;I. M. Gimeno

  • Transformation of T-lymphocyte subsets by Marek's disease herpesvirus.

    K. A. Schat;C.-L. H. Chen;B. W. Calnek;D. Char

  • Expression of cytokine genes in Marek's disease virus-infected chickens and chicken embryo fibroblast cultures.

    Z. Xing;K. A. Schat

  • Further characterization of marek's disease virus‐infected lymphocytes. II. In vitro infection

    B. W. Calnek;K. A. Schat;L. J. N. Ross;C-L. H. Chen

  • Inhibitory Effects of Nitric Oxide and Gamma Interferon on In Vitro and In Vivo Replication of Marek's Disease Virus

    Zheng Xing;Karel A. Schat

  • A hypervariable region in VP1 of chicken infectious anemia virus mediates rate of spread and cell tropism in tissue culture.

    R W Renshaw;C Soiné;T Weinkle;P H O'Connell

  • Specific and nonspecific immune responses to Marek’s disease virus

    Karel A. Schat;Zheng Xing

  • Reproductive effort reduces long-term immune function in breeding tree swallows (Tachycineta bicolor)

    Daniel R. Ardia;Karel A. Schat;David W. Winkler

  • Relationship Between the Immunosuppressive Potential and the Pathotype of Marek's Disease Virus Isolates

    Calnek Bw;Harris Rw;Buscaglia C;Schat Ka

  • Infection with chicken anaemia virus impairs the generation of pathogen‐specific cytotoxic T lymphocytes

    Carrie J Markowski-Grimsrud;Karel A Schat

  • Chicken Anemia Virus

    K. A. Schat

  • Attenuation of Marek's Disease Virus by Deletion of Open Reading Frame RLORF4 but Not RLORF5a

    Keith W. Jarosinski;Nikolaus Osterrieder;Venugopal K. Nair;Karel A. Schat

  • Role of position 627 of PB2 and the multibasic cleavage site of the hemagglutinin in the virulence of H5N1 avian influenza virus in chickens and ducks.

    Karel A Schat;John Bingham;Jeff M. Butler;Li Mei Chen

  • Detection of Duck Enteritis Virus by Polymerase Chain Reaction

    Paul J. Plummer;Tim Alefantis;Steven Kaplan;Priscilla O'Connell

  • Field trials with a bivalent vaccine (HVT and SB-1) against Marek's disease.

    B W Calnek;K A Schat;M C Peckham;J Fabricant

  • Syngeneic Marek's disease virus (MDV)-specific cell-mediated immune responses against immediate early, late, and unique MDV proteins.

    Abdul R. Omar;Karel A. Schat

  • Characterization of Chicken Thrombocyte Responses to Toll-Like Receptor Ligands

    Michael St. Paul;Sarah Paolucci;Neda Barjesteh;R. Darren Wood

  • Pro-inflammatory responses in chicken spleen and brain tissues after infection with very virulent plus Marek's disease virus.

    Keith W. Jarosinski;Bradley L. Njaa;Priscilla H. O'connell;Karel A. Schat

  • Virus-Induced Immunosuppression in Chickens

    I. M. Gimeno;K. A. Schat

  • Establishment of marek's disease lymphoblastoid cell lines from transplantable versus primary lymphomas

    B. W. Calnek;K. K. Murthy;K. A. Schat

  • Influence of Oncogenicity of Marek’s Disease Virus on Evaluation of Genetic Resistance

    K. A. Schat;B. W. Calnek;J. Fabricant;H. Abplanalp

Frequent Co-Authors

John W. Lowenthal
John W. Lowenthal Commonwealth Scientific and Industrial Research Organisation
André A. Dhondt
André A. Dhondt Cornell University
Dana M. Hawley
Dana M. Hawley Virginia Tech
Ynte H. Schukken
Ynte H. Schukken Wageningen University & Research
David H. Ley
David H. Ley North Carolina State University
Barry Slobedman
Barry Slobedman University of Sydney
Bernd Kaspers
Bernd Kaspers Ludwig-Maximilians-Universität München
Peter J. Walker
Peter J. Walker University of Queensland
Shayan Sharif
Shayan Sharif University of Guelph
Michael A. Skinner
Michael A. Skinner Imperial College London

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