2026 Klaus Hedman: Immunology Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Immunology	70	2437	2238	18	17	263	15569

Overview

Klaus Hedman is affiliated with the University of Helsinki in Finland and specializes in Medicine with a particular focus on Infectious Diseases, Epidemiology, Molecular Biology, Oncology, and Plant Science. The scientist's research spans various topics including SARS-CoV-2 and COVID-19 research, Parvovirus B19 infection studies, Cytomegalovirus and herpesvirus research, SARS-CoV-2 detection and testing, COVID-19 clinical research studies, plant virus research studies, and bacteriophages and microbial interactions.

The scientist has published extensively in recognized venues, particularly in:

bioRxiv (Cold Spring Harbor Laboratory)
Viruses
The Journal of Infectious Diseases
mBio
Nucleic Acids Research

Klaus Hedman's collaborative work includes frequent coauthors such as Maria F. Perdomo, Jussi Hepojoki, Diogo Pratas, Mari Toppinen, and Maria Söderlund-Venermo.

Representative papers authored or coauthored by Klaus Hedman include:

"A Generic, Scalable, and Rapid Time-Resolved Förster Resonance Energy Transfer-Based Assay for Antigen Detection-SARS-CoV-2 as a Proof of Concept" (2021, mBio)
"Unmasking the tissue-resident eukaryotic DNA virome in humans" (2023, Nucleic Acids Research)
"The landscape of persistent human DNA viruses in femoral bone" (2020, Forensic Science International Genetics)
"A hybrid pipeline for reconstruction and analysis of viral genomes at multi-organ level" (2020, GigaScience)
"A 10-Minute "Mix and Read" Antibody Assay for SARS-CoV-2" (2021, Viruses)

The scientist's contributions cover multiple aspects of viral detection, analysis, and clinical research related to infectious agents. Work on SARS-CoV-2 includes development of assays for antigen detection and antibody testing, which align with research on COVID-19 clinical studies.

Klaus Hedman's publications demonstrate a pattern of research integration across molecular biology and epidemiology domains, emphasizing practical applications such as forensic virology and diagnostic assay development.

Best Publications

Recent Primary Toxoplasma Infection Indicated by a Low Avidity of Specific IgG

Klaus Hedman;Maija Lappalainen;Ilkka Seppäiä;Olli Mäkelä

511
Citations
False-positive results in immunoglobulin M (IgM) toxoplasma antibody tests and importance of confirmatory testing: the Platelia Toxo IgM test.

Oliver Liesenfeld;Cynthia Press;Jose G. Montoya;Raj Gill

360
Citations
Human bocavirus—the first 5 years

Tuomas Jartti;Klaus Hedman;Laura Jartti;Olli Ruuskanen

355
Citations
Persistence of parvovirus B19 DNA in synovial membranes of young patients with and without chronic arthropathy

Maria Söderlund;Robert von Essen;Jarkko Haapasaari;Urpo Kiistala

325
Citations
Bioportfolio: lifelong persistence of variant and prototypic erythrovirus DNA genomes in human tissue.

Päivi Norja;Kati Hokynar;Leena-Maija Aaltonen;Renwei Chen

323
Citations
17th Century Variola Virus Reveals the Recent History of Smallpox

Ana T. Duggan;Maria F. Perdomo;Dario Piombino-Mascali;Stephanie Marciniak

256
Citations
Toxoplasmosis Acquired during Pregnancy: Improved Serodiagnosis Based on Avidity of IgG

Maija Lappalainen;Pentti Koskela;Marjaleena Koskiniemi;Pirkko Ämmälä

243
Citations
Serodiagnosis of Human Bocavirus Infection

Kalle Kantola;Lea Hedman;Lea Hedman;Tobias Allander;Tobias Allander;Tuomas Jartti

238
Citations
Clinical assessment and improved diagnosis of bocavirus-induced wheezing in children, Finland.

Maria Söderlund-Venermo;Anne Lahtinen;Tuomas Jartti;Lea Hedman

236
Citations
Rapid diagnosis of hantavirus disease with an IgG-avidity assay

K. Hedman;A. Vaheri;M. Brummer-Korvenkontio

217
Citations
Nephropathia Epidemica in Finland: A Retrospective Study of 126 Cases

Jukka Mustonen;Markus Brummer-Korvenkontio;Klaus Hedman;Amos Pasternack

204
Citations
Recent rubella virus infection indicated by a low avidity of specific IgG.

Klaus Hedman;Ilkka Seppälä

203
Citations
Avidity of IgG in serodiagnosis of infectious diseases

Klaus Hedman;Maija Lappalainen;Maria Söderlund;Lea Anneli Hedman

198
Citations
Measurement of avidity of specific IgG for verification of recent primary rubella

Klaus Hedman;Steve A. Rousseau

198
Citations
A new parvovirus genotype persistent in human skin.

Kati Christel Hokynar;Maria Söderlund-Venermo;Maria Pesonen;Annamari Ranki

194
Citations
Persistence of human parvovirus B19 in human tissues.

Maria Söderlund-Venermo;Kati Hokynar;Janne Nieminen;Henna Rautakorpi

193
Citations
Epitope Type-Specific IgG Responses to Capsid Proteins VP1 and VP2 of Human Parvovirus B19

Maria Söderlund;Caroline Brown;Willy Jm Spaan;Lea Anneli Hedman

190
Citations
Immunoreactivation of Epstein-Barr virus due to cytomegalovirus primary infection

Sanna M. Aalto;Kimmo Linnavuori;Heikki Peltola;Elina Vuori

176
Citations
Serological evidence of Merkel cell polyomavirus primary infections in childhood

Tingting Chen;Lea Hedman;Lea Hedman;Petri S. Mattila;Tuomas Jartti

168
Citations
Secondary measles vaccine failures identified by measurement of IgG avidity: high occurrence among teenagers vaccinated at a young age.

M. Paunio;K. Hedman;I. Davidkin;M. Valle

163
Citations

Frequent Co-Authors

Maria Söderlund-Venermo University of Helsinki

Antti Vaheri University of Helsinki

Maija Lappalainen University of Helsinki

Olli Ruuskanen Turku University Hospital

Olli Vapalahti University of Helsinki

Tuomas Jartti Turku University Hospital

Eric Delwart University of California, San Francisco

Olli Simell Turku University Hospital

Heikki Peltola University of Helsinki

Antti Sajantila University of Helsinki

External Links

Personal website of Klaus Hedman

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