World's Best Scientists 2026 revealed!

D-Index & Metrics

Immunology

D-Index
83
Citations
22712
World Ranking
1463
National Ranking
737

Medicine

D-Index
83
Citations
22712
World Ranking
15721
National Ranking
7912

Pearay L. Ogra 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 Pearay L. Ogra 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: 394 publications — 80th percentile

80% of scientists in this discipline score the same or lower.

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

Pearay L. Ogra 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 Pearay L. Ogra 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: 83 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Overview

Pearay L. Ogra is affiliated with the University at Buffalo, State University of New York, United States. Their research spans several fields related to medicine, nursing, and biochemistry, genetics, and molecular biology, with notable subfields in nutrition and dietetics, epidemiology, infectious diseases, genetics, and molecular biology.

Their recent research contributions include:

  • Mucosal Immunity in COVID-19: A Neglected but Critical Aspect of SARS-CoV-2 Infection (2020, Frontiers in Immunology)
  • Immunology of Human Milk and Lactation: Historical Overview (2020, Nestlé Nutrition Institute Workshop series)
  • Editorial: Impact of microbiome on gut mucosal immunity in health and disease (2022, Frontiers in Immunology)
  • Summary on Immunology of Milk and Lactation (2020, Nestlé Nutrition Institute Workshop series)
  • Lars Å. (Nenne) Hanson (1934-2022): A Retrospective (2022, Mucosal Immunology)

Ogra has published work in several venues, with frequent publications appearing in Frontiers in Immunology, Nestlé Nutrition Institute Workshop series, Mucosal Immunology, and The Pediatric Infectious Disease Journal.

The main topics of their research include:

  • Infant Nutrition and Health
  • Breastfeeding Practices and Influences
  • Digestive system and related health
  • Gut microbiota and health
  • SARS-CoV-2 and COVID-19 Research
  • COVID-19 Clinical Research Studies
  • COVID-19 Impact on Reproduction

Ogra has collaborated frequently with researchers such as Bo Lönnerdal, W. Allan Walker, Jiří Městecký, Oscar G. Gómez-Duarte, and Allan Walker.

In addition to journal articles, Pearay L. Ogra has contributed to book publications, including a title published by Frontiers Media titled Impact of Microbiome on Gut Mucosal Immunity in Health and Disease (2022).

Best Publications

  • Influenza Virus: Immunity and Vaccination Strategies. Comparison of the Immune Response to Inactivated and Live, Attenuated Influenza Vaccines

    R. J. Cox;K. A. Brokstad;P. Ogra

  • The Development of Respiratory Syncytial Virus-Specific IgE and the Release of Histamine in Nasopharyngeal Secretions after Infection

    Robert C. Welliver;David T. Wong;Martha Sun;Elliott Middleton

  • Antiviral effect of flavonoids on human viruses.

    Tej N. Kaul;Tej N. Kaul;Elliott Middleton;Elliott Middleton;Pearay L. Ogra;Pearay L. Ogra

  • Vaccination Strategies for Mucosal Immune Responses

    Pearay L. Ogra;Howard Faden;Robert C. Welliver

  • Immunoglobulin response in serum and secretions after immunization with live and inactivated poliovaccine and natural infection.

    Pearay L. Ogra;David T. Karzon;Fay Righthand;Margaret MacGillivray

  • Severe Human Lower Respiratory Tract Illness Caused by Respiratory Syncytial Virus and Influenza Virus Is Characterized by the Absence of Pulmonary Cytotoxic Lymphocyte Responses

    Timothy P. Welliver;Roberto P. Garofalo;Yashoda Hosakote;Karen H. Hintz

  • Mucosal Immunity in COVID-19: A Neglected but Critical Aspect of SARS-CoV-2 Infection.

    Michael W. Russell;Zina Moldoveanu;Pearay L. Ogra;Jiri Mestecky

  • Eosinophil degranulation in the respiratory tract during naturally acquired respiratory syncytial virus infection.

    Roberto Garofalo;Jan L.L. Kimpen;Jan L.L. Kimpen;Robert C. Welliver;Robert C. Welliver;Pearay L. Ogra

  • Distribution of Poliovirus Antibody in Serum, Nasopharynx and Alimentary Tract Following Segmental Immunization of Lower Alimentary Tract with Poliovaccine

    Pearay L. Ogra;David T. Karzon

  • Cell-Specific Expression of RANTES, MCP-1, and MIP-1α by Lower Airway Epithelial Cells and Eosinophils Infected with Respiratory Syncytial Virus

    Barbara Olszewska-Pazdrak;Antonella Casola;Tadahito Saito;Rafeul Alam

  • Immunologic Aspects of Human Colostrum and Milk III. Fate and Absorption of Cellular and Soluble Components in the Gastrointestinal Tract of the Newborn

    S. S. Ogra;D. Weintraub;P. L. Ogra

  • Transcriptional Activation of the Interleukin-8 Gene by Respiratory Syncytial Virus Infection in Alveolar Epithelial Cells: Nuclear Translocation of the RelA Transcription Factor as a Mechanism Producing Airway Mucosal Inflammation

    Roberto Garofalo;Mona Sabry;Mohammad Jamaluddin;Robert K. Yu

  • Respiratory syncytial virus: The virus, the disease and the immune response

    Pearay L. Ogra

  • Macrophage Inflammatory Protein-1α (Not T Helper Type 2 Cytokines) Is Associated with Severe Forms of Respiratory Syncytial Virus Bronchiolitis

    Roberto P. Garofalo;John Patti;Karen A. Hintz;Vanessa Hill

  • Group A rotaviruses produce extrahepatic biliary obstruction in orally inoculated newborn mice.

    Marie Riepenhoff-talty;Marie Riepenhoff-talty;Knut Schaekel;H Fred Clark;Wolfgang Mueller

  • Nasopharyngeal Flora in the First Three Years of Life in Normal and Otitis-Prone Children

    Faden H;Waz Mj;Bernstein Jm;Brodsky L

  • Changes in nasopharyngeal flora during otitis media of childhood.

    H Faden;J Stanievich;L Brodsky;J Bernstein

  • Local Antibody Response to Poliovaccine in the Human Female Genital Tract

    Pearay L. Ogra;Swtantarta S. Ogra

  • Predictive value of respiratory syncytial virus-specific IgE responses for recurrent wheezing following bronchiolitis

    Robert C. Welliver;Robert C. Welliver;Martha Sun;Martha Sun;Deborah Rinaldo;Deborah Rinaldo;Pearay L. Ogra;Pearay L. Ogra

  • The release of leukotrienes in the respiratory tract during infection with respiratory syncytial virus: role in obstructive airway disease.

    B Volovitz;R C Welliver;R C Welliver;G De Castro;G De Castro;D A Krystofik;D A Krystofik

Frequent Co-Authors

Howard Faden
Howard Faden University at Buffalo, State University of New York
Robert C. Welliver
Robert C. Welliver University of Oklahoma
Roberto P. Garofalo
Roberto P. Garofalo The University of Texas Medical Branch at Galveston
Antonella Casola
Antonella Casola The University of Texas Medical Branch at Galveston
Timothy F. Murphy
Timothy F. Murphy University at Buffalo, State University of New York
Shunzo Chiba
Shunzo Chiba Sapporo Medical University
Saxon Graham
Saxon Graham University at Buffalo, State University of New York
Allan R. Brasier
Allan R. Brasier University of Wisconsin–Madison
Sheila E. Crowe
Sheila E. Crowe University of California, San Diego
Olli Ruuskanen
Olli Ruuskanen Turku University Hospital

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