World's Best Scientists 2026 revealed!
Sergio Romagnani

Sergio Romagnani

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Immunology
Italy
2026
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Medicine
Italy
2023

D-Index & Metrics

Immunology

D-Index
125
Citations
66584
World Ranking
277
National Ranking
5

Medicine

D-Index
125
Citations
66584
World Ranking
3054
National Ranking
79

Sergio Romagnani 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 Sergio Romagnani 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: 497 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

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

Sergio Romagnani 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 Sergio Romagnani 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: 125 D-Index — 94th percentile

94% 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 Italy Leader Award
  • 2025 - Research.com Immunology in Italy Leader Award
  • 2023 - Research.com Immunology in Italy Leader Award
  • 2023 - Research.com Medicine in Italy Leader Award
  • 2022 - Research.com Immunology in Italy Leader Award

Overview

Sergio Romagnani is affiliated with the University of Florence in Italy and works primarily in the field of Medicine. Their research focuses on several specialized areas, including Infectious Diseases, Obstetrics and Gynecology, Modeling and Simulation, Radiology, Nuclear Medicine and Imaging, as well as Neurology.

The main topics explored in Romagnani's work address various aspects of COVID-19, including clinical research studies, SARS-CoV-2 and COVID-19 research, the impact of COVID-19 on reproduction, epidemiological studies of the pandemic, diagnosis using artificial intelligence, and the long-term effects of COVID-19.

Notable recent publications by Romagnani and collaborators include:

  • Impaired immune cell cytotoxicity in severe COVID-19 is IL-6 dependent, 2020, Journal of Clinical Investigation
  • The COVID-19 infection: lessons from the Italian experience, 2020, Journal of Public Health Policy
  • Cell-mediated and humoral adaptive immune responses to SARS-CoV-2 are lower in asymptomatic than symptomatic COVID-19 patients, 2020, European Journal of Immunology

Frequent co-authors in Romagnani's research include Francesco Annunziato, Alessio Mazzoni, Lorenzo Salvati, Laura Maggi, and Manuela Capone. These collaborations have contributed to publications in key journals related to medicine and public health.

Romagnani's work has appeared in various academic venues, frequently publishing in:

  • Journal of Clinical Investigation
  • Journal of Public Health Policy
  • European Journal of Immunology

Best Publications

  • Phenotypic and functional features of human Th17 cells.

    Francesco Annunziato;Lorenzo Cosmi;Veronica Santarlasci;Laura Maggi

  • Natural killer cell stimulatory factor (interleukin 12 [IL-12]) induces T helper type 1 (Th1)-specific immune responses and inhibits the development of IL-4-producing Th cells.

    R Manetti;P Parronchi;M G Giudizi;M P Piccinni

  • Lymphokine Production by Human T Cells in Disease States

    Sergio Romagnani

  • Role for Interferon-γ in the Immunomodulatory Activity of Human Bone Marrow Mesenchymal Stem Cells

    Mauro Krampera;Lorenzo Cosmi;Roberta Angeli;Annalisa Pasini

  • The Th1/Th2 paradigm

    Sergio Romagnani

  • Human TH1 and TH2 subsets: doubt no more

    Sergio Romagnani

  • T-cell subsets (Th1 versus Th2)

    Sergio Romagnani

  • Human IL-10 is produced by both type 1 helper (Th1) and type 2 helper (Th2) T cell clones and inhibits their antigen-specific proliferation and cytokine production.

    G Del Prete;M De Carli;F Almerigogna;M G Giudizi

  • Induction of TH1 and TH2 responses: a key role for the ‘natural’ immune response?

    Sergio Romagnani

  • Purified protein derivative of Mycobacterium tuberculosis and excretory-secretory antigen(s) of Toxocara canis expand in vitro human T cells with stable and opposite (type 1 T helper or type 2 T helper) profile of cytokine production.

    G F Del Prete;M De Carli;C Mastromauro;R Biagiotti

  • An alternatively spliced variant of CXCR3 mediates the inhibition of endothelial cell growth induced by IP-10, Mig, and I-TAC, and acts as functional receptor for platelet factor 4.

    Laura Lasagni;Michela Francalanci;Francesco Annunziato;Elena Lazzeri

  • Evidence for a cross-talk between human neutrophils and Th17 cells

    Martin Pelletier;Laura Maggi;Alessandra Micheletti;Elena Lazzeri

  • Human interleukin 17-producing cells originate from a CD161+CD4+ T cell precursor.

    Lorenzo Cosmi;Raffaele De Palma;Veronica Santarlasci;Laura Maggi

  • IL-4 is an essential factor for the IgE synthesis induced in vitro by human T cell clones and their supernatants.

    G Del Prete;E Maggi;P Parronchi;I Chrétien

  • Reciprocal regulatory effects of IFN-gamma and IL-4 on the in vitro development of human Th1 and Th2 clones.

    E Maggi;P Parronchi;R Manetti;C Simonelli

  • Isolation and Characterization of Multipotent Progenitor Cells from the Bowman’s Capsule of Adult Human Kidneys

    Costanza Sagrinati;Giuseppe Stefano Netti;Benedetta Mazzinghi;Elena Lazzeri

  • The 3 major types of innate and adaptive cell-mediated effector immunity.

    Francesco Annunziato;Chiara Romagnani;Sergio Romagnani

  • Defective production of both leukemia inhibitory factor and type 2 T-helper cytokines by decidual T cells in unexplained recurrent abortions.

    Marie-Pierre Piccinni;Lucio Beloni;Claudia Livi;Enrico Maggi

  • Allergen- and bacterial antigen-specific T-cell clones established from atopic donors show a different profile of cytokine production.

    Paola Parronchi;Donatella Macchia;Marie-Pierre Piccinni;Priscilla Biswas

  • The role of lymphocytes in allergic disease.

    Sergio Romagnani

Frequent Co-Authors

Enrico Maggi
Enrico Maggi Bambino Gesù Children's Hospital
Francesco Annunziato
Francesco Annunziato University of Florence
Paola Parronchi
Paola Parronchi University of Florence
Lorenzo Cosmi
Lorenzo Cosmi University of Florence
G. F. Del Prete
G. F. Del Prete University of Florence
Francesco Liotta
Francesco Liotta University of Florence
Marie-Pierre Piccinni
Marie-Pierre Piccinni University of Florence
Paola Romagnani
Paola Romagnani University of Florence
Roberto Manetti
Roberto Manetti University of Sassari
Laura Maggi
Laura Maggi Sapienza University of Rome

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Related Online Degrees & Career Pathways

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