World's Best Scientists 2026 revealed!

D-Index & Metrics

Immunology

D-Index
74
Citations
19276
World Ranking
2057
National Ranking
15

Medicine

D-Index
74
Citations
19276
World Ranking
19424
National Ranking
225

Helena Käyhty 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 Helena Käyhty 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: 260 publications — 54th percentile

54% of scientists in this discipline score the same or lower.

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

Helena Käyhty 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 Helena Käyhty 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: 74 D-Index — 59th percentile

59% of scientists in this discipline score the same or lower.

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

Overview

Helena Käyhty is affiliated with the Finnish Institute for Health and Welfare (THL) in Finland. Their research primarily focuses on medical fields, with particular emphasis on epidemiology, hepatology, and microbiology.

The scientist's work frequently explores topics related to pneumonia and respiratory infections, including Pneumocystis jirovecii pneumonia detection and treatment. Other main areas of study include respiratory viral infections research, hepatitis virus studies and epidemiology, influenza virus research studies, and bacterial infections and vaccines.

Helena Käyhty has contributed to multiple publications in respected journals. Notable recent papers include:

  • A randomized, controlled trial comparing the immunogenicity and safety of a 23-valent pneumococcal polysaccharide vaccination to a repeated dose 13-valent pneumococcal conjugate vaccination in kidney transplant recipients, 2020, published in Transplant Infectious Disease
  • Coadministered pneumococcal conjugate vaccine decreases immune response to hepatitis A vaccine: a randomized controlled trial, 2023, published in Clinical Microbiology and Infection
  • A randomized, controlled trial comparing the immunogenicity and safety of a 23-valent pneumococcal polysaccharide vaccination to a repeated dose 13-valent pneumococcal conjugate vaccination in adult liver transplant recipients, 2021, published in Vaccine

Frequent co-authors in Helena Käyhty's research include:

  • Mari Eriksson
  • Mika Lahdenkari
  • Heikki Mäkisalo
  • Veli-Jukka Anttila
  • Heikki Saha

Common venues where this scientist's work has been published include:

  • Transplant Infectious Disease
  • Clinical Microbiology and Infection
  • Vaccine

Best Publications

  • Efficacy of a Pneumococcal Conjugate Vaccine against Acute Otitis Media

    Eskola J;Kilpi T;Palmu A;Jokinen J

  • The fundamental link between pneumococcal carriage and disease

    Birgit Simell;Kari Auranen;Helena Käyhty;David Goldblatt

  • Prevention of Hemophilus influenzae type b bacteremic infections with the capsular polysaccharide vaccine.

    H Peltola;H Käyhty;M Virtanen;P H Mäkelä

  • A randomized, prospective field trial of a conjugate vaccine in the protection of infants and young children against invasive Haemophilus influenzae type b disease.

    J Eskola;H Käyhty;A K Takala;H Peltola

  • Clinical Efficacy of Meningococcus Group A Capsular Polysaccharide Vaccine in Children Three Months to Five Years of Age

    Heikki Peltola;P. Helena Mäkelä;Helena Käyhty;Hannele Jousimies

  • Serological criteria for evaluation and licensure of new pneumococcal conjugate vaccine formulations for use in infants.

    Luis Jódar;Jay Butler;George Carlone;Ron Dagan

  • Enzyme-linked immunosorbent assay for quantitation of human antibodies to pneumococcal polysaccharides.

    Catherine M. Wernette;Carl E. Frasch;Dace Madore;George Carlone

  • Reduction of oropharyngeal carriage of Haemophilus influenzae type b (Hib) in children immunized with an Hib conjugate vaccine.

    Unknown

  • Efficacy of Haemophilus influenzae type b polysaccharide-diphtheria toxoid conjugate vaccine in infancy.

    J Eskola;H Peltola;A K Takala;H Käyhty

  • Protective efficacy of a second pneumococcal conjugate vaccine against pneumococcal acute otitis media in infants and children: randomized, controlled trial of a 7-valent pneumococcal polysaccharide-meningococcal outer membrane protein complex conjugate vaccine in 1666 children.

    Terhi Kilpi;Heidi Åhman;Jukka Jokinen;Kari S. Lankinen

  • Antibody Responses to Nasopharyngeal Carriage of Streptococcus pneumoniae in Adults: A Longitudinal Household Study

    David Goldblatt;Mahein Hussain;Nicholas Andrews;Lindsey Ashton

  • Polysaccharide Vaccines of Group A Neisseria meningitidis and Haemophilus influenzae Type b: A Field Trial in Finland

    P. Helena Mäkelä;Heikki Peltola;Helena Käyhty;Hannele Jousimies

  • Pneumococcal Polysaccharide-Meningococcal Outer Membrane Protein Complex Conjugate Vaccine Is Immunogenic in Infants and Children

    Helena Käyhty;Heidi Åhman;Pirjo-Riitta Rönnberg;Risto Tillikainen

  • Multicenter comparison of Neisseria meningitidis serogroup C anti-capsular polysaccharide antibody levels measured by a standardized enzyme-linked immunosorbent assay.

    L L Gheesling;G M Carlone;L B Pais;P F Holder

  • Serum antibodies after vaccination with Haemophilus influenzae type b capsular polysaccharide and responses to reimmunization: no evidence of immunologic tolerance or memory.

    Helena Käyhty;Viena Karanko;Heikki Peltola;P. Helena Mäkelä

  • Randomised trial of the effect of co-administration with acellular pertussis DTP vaccine on immunogenicity of Haemophilus influenzae type b conjugate vaccine

    Juhani Eskola;Rose-Marie Ölander;Tapani Hovi;Leila Litmanen

  • Aging reduces the functionality of anti-pneumococcal antibodies and the killing of Streptococcus pneumoniae by neutrophil phagocytosis

    Birgit Simell;Arja Vuorela;Nina Ekström;Arto Palmu

  • Avidity of IgG for Streptococcus pneumoniae Type 6B and 23F Polysaccharides in Infants Primed with Pneumococcal Conjugates and Boosted with Polysaccharide or Conjugate Vaccines

    Merja Anttila;Juhani Eskola;Heidi Åhman;Helena Käyhty

  • Pentavalent pneumococcal oligosaccharide conjugate vaccine PncCRM is well-tolerated and able to induce an antibody response in infants.

    Heidi Åhman;Helena Käyhty;Pirjo Tamminen;Arja Vuorela

  • Natural Development of Antibodies to Pneumococcal Surface Protein A, Pneumococcal Surface Adhesin A, and Pneumolysin in Relation to Pneumococcal Carriage and Acute Otitis Media

    Satu Rapola;Virva Jäntti;Raili Haikala;Ritva Syrjänen

  • The fundamental link between pneumococcal carriage and disease

    Birgit Simell;Kari Auranen;Helena Kayhty;David Goldblatt

Frequent Co-Authors

Juhani Eskola
Juhani Eskola Finnish Institute for Health and Welfare (THL)
Heikki Peltola
Heikki Peltola University of Helsinki
Olli Ruuskanen
Olli Ruuskanen Turku University Hospital
P. Helena Mäkelä
P. Helena Mäkelä University of Helsinki
David Goldblatt
David Goldblatt University College London
Ron Dagan
Ron Dagan Ben-Gurion University of the Negev
Maija Leinonen
Maija Leinonen Finnish Institute for Health and Welfare (THL)
Aldina Barral
Aldina Barral Oswaldo Cruz Foundation
Keith P. Klugman
Keith P. Klugman Bill & Melinda Gates Foundation
Peter V. Adrian
Peter V. Adrian University of the Witwatersrand

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Related Online Degrees & Career Pathways

Pursuing a career related to Immunology in the USA often involves interdisciplinary knowledge, particularly in nursing and healthcare. For those interested in clinical practice, transitioning from a Family Nurse Practitioner (FNP) to an Acute Care Nurse Practitioner (ACNP) role can be a strategic move. Programs designed for fnp to acnp transitions provide specialized skills for acute care settings, expanding career opportunities.

Individuals with a nursing background looking to accelerate their advancement can explore accelerated rn to np programs. These online degrees offer a fast-track to becoming nurse practitioners with broader responsibilities, crucial for roles involving immunological patient care and research.

For those starting fresh with no prior healthcare education, online adn programs for non nurses provide an accessible entry point. These programs help non-nurses earn an Associate Degree in Nursing, laying the foundation for further specialization in fields like Immunology.

Finally, accelerated options like accelerated nursing programs offer a streamlined path to obtaining a Bachelor of Science in Nursing (BSN). This degree is often essential for advancing into advanced practice roles that collaborate closely with Immunology experts.

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