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Karen A. Krogfelt

Karen A. Krogfelt

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Microbiology
Denmark
2026

D-Index & Metrics

Microbiology

D-Index
92
Citations
27639
World Ranking
629
National Ranking
8

Research.com Recognitions

  • 2026 - Research.com Microbiology in Denmark Leader Award
  • 2025 - Research.com Microbiology in Denmark Leader Award
  • 2023 - Research.com Microbiology in Denmark Leader Award
  • 2022 - Research.com Microbiology in Denmark Leader Award

Overview

Karen A. Krogfelt is affiliated with the Statens Serum Institut in Denmark. Their research activity spans across multiple topics and fields centered primarily on infectious diseases, molecular biology, and public health. The scientist has contributed extensively within the domains of medicine and biochemistry, genetics, and molecular biology, with over 110 publications in medicine and more than 60 in biochemical and molecular biology topics.

The subfields of study where they are most active include infectious diseases (46 publications), molecular biology (26 publications), public health, environmental and occupational health (20 publications), parasitology (19 publications), and endocrinology (17 publications).

Krogfelt's main research topics cover a range of infectious diseases and microbiological studies, focusing heavily on:

  • Viral infections and vectors
  • Vector-borne infectious diseases
  • Gut microbiota and health
  • Mosquito-borne diseases and control
  • Escherichia coli research studies
  • Antibiotic resistance in bacteria
  • SARS-CoV-2 and COVID-19 research

Frequent co-authors in Krogfelt's publications include Andreas Munk Petersen, Hengameh Chloé Mirsepasi-Lauridsen, Jakob Stokholm, Carsten Struve, and Lukas Frans Ocias. Collaborative work has often been published in venues such as bioRxiv (Cold Spring Harbor Laboratory), Ticks and Tick-borne Diseases, Nature Communications, Gut Microbes, and Microorganisms.

Notable recent papers by Karen A. Krogfelt include:

  • "Evaluation of nine commercial SARS-CoV-2 immunoassays" (2020), published in bioRxiv (Cold Spring Harbor Laboratory)
  • "The Diversity of Lipopolysaccharide (O) and Capsular Polysaccharide (K) Antigens of Invasive Klebsiella pneumoniae in a Multi-Country Collection" (2020), published in Frontiers in Microbiology
  • "Virulent coliphages in 1-year-old children fecal samples are fewer, but more infectious than temperate coliphages" (2020), published in Nature Communications
  • "Ulcerative Colitis-associated E. coli pathobionts potentiate colitis in susceptible hosts" (2020), published in Gut Microbes
  • "New Insights into the Antimicrobial Action of Cinnamaldehyde towards Escherichia coli and Its Effects on Intestinal Colonization of Mice" (2021), published in Biomolecules

Best Publications

  • Why chronic wounds will not heal: a novel hypothesis.

    Thomas Bjarnsholt;Klaus Kirketerp-Møller;Peter Østrup Jensen;Kit G. Madsen

  • Origins of the E. coli Strain Causing an Outbreak of Hemolytic–Uremic Syndrome in Germany

    David A. Rasko;Dale R. Webster;Jason W. Sahl;Ali Bashir

  • Reduced Diversity of the Intestinal Microbiota During Infancy Is Associated With Increased Risk of Allergic Disease at School Age

    Hans Bisgaard;Nan Li;Nan Li;Nan Li;Klaus Bonnelykke;Bo Lund Krogsgaard Chawes

  • Multiple bacterial species reside in chronic wounds: a longitudinal study.

    Kristine Gjødsbøl;Jens Jørgen Christensen;Tonny Karlsmark;Bo Jørgensen

  • Nonrandom Distribution of Pseudomonas aeruginosa and Staphylococcus aureus in Chronic Wounds

    Mustafa Fazli;Thomas Bjarnsholt;Klaus Kirketerp-Møller;Bo Jørgensen

  • Gut inflammation can boost horizontal gene transfer between pathogenic and commensal Enterobacteriaceae.

    Bärbel Stecher;Rémy Denzler;Lisa Maier;Florian Bernet

  • Direct evidence that the FimH protein is the mannose-specific adhesin of Escherichia coli type 1 fimbriae.

    K A Krogfelt;H Bergmans;P Klemm

  • Pathogenic adaptation of Escherichia coli by natural variation of the FimH adhesin

    Evgeni V. Sokurenko;Veronika Chesnokova;Daniel E. Dykhuizen;Itzhak Ofek

  • Complete Genome Sequence of the N2-Fixing Broad Host Range Endophyte Klebsiella pneumoniae 342 and Virulence Predictions Verified in Mice

    Derrick E. Fouts;Heather L. Tyler;Robert T. DeBoy;Sean Daugherty

  • Pneumococcal Serotypes and Mortality following Invasive Pneumococcal Disease: A Population-Based Cohort Study

    Zitta B. Harboe;Reimar W. Thomsen;Anders Hammerich Riis;Palle Valentiner-Branth

  • Host-Pathogen Interactions in Campylobacter Infections: the Host Perspective

    Riny Janssen;Karen A. Krogfelt;Shaun A. Cawthraw;Wilfrid van Pelt

  • Mapping the Evolution of Hypervirulent Klebsiella pneumoniae

    Carsten Struve;Chandler C. Roe;Marc Stegger;Steen G. Stahlhut

  • Escherichia coli Pathobionts Associated with Inflammatory Bowel Disease.

    Hengameh Chloé Mirsepasi-Lauridsen;Bruce Andrew Vallance;Karen Angeliki Krogfelt;Andreas Munk Petersen

  • Role of type 1 and type 3 fimbriae in Klebsiella pneumoniae biofilm formation

    Casper Schroll;Kim B Barken;Karen A Krogfelt;Carsten Struve

  • Genomic epidemiology of the Escherichia coli O104:H4 outbreaks in Europe, 2011

    Yonatan H. Grad;Marc Lipsitch;Marc Lipsitch;Michael Feldgarden;Harindra M. Arachchi

  • Evaluation of nine commercial SARS-CoV-2 immunoassays

    Ria Lassaunière;Anders Frische;Zitta B. Harboe;Alex C.Y. Nielsen

  • In Vitro Biofilm Formation of Commensal and Pathogenic Escherichia coli Strains: Impact of Environmental and Genetic Factors

    Andreas Reisner;Karen A. Krogfelt;Bjarke M. Klein;Ellen L. Zechner

  • Bacterial adhesion: genetics, biogenesis, and role in pathogenesis of fimbrial adhesins of Escherichia coli.

    Karen A. Krogfelt

  • Characterization of Klebsiella pneumoniae Type 1 Fimbriae by Detection of Phase Variation during Colonization and Infection and Impact on Virulence

    Carsten Struve;Martin Bojer;Karen Angeliki Krogfelt

  • Etiology of Diarrhea in Young Children in Denmark: a Case-Control Study

    Bente Olesen;Jacob Neimann;Blenda Böttiger;Steen Ethelberg

  • Spatial distribution of Escherichia coli in the mouse large intestine inferred from rRNA in situ hybridization.

    L K Poulsen;F Lan;C S Kristensen;P Hobolth

  • Physiological state of Escherichia coli BJ4 growing in the large intestines of streptomycin-treated mice.

    L K Poulsen;T R Licht;C Rang;K A Krogfelt

Frequent Co-Authors

Andreas Petersen
Andreas Petersen Copenhagen University Hospital
Kåre Mølbak
Kåre Mølbak Statens Serum Institut
Paul S. Cohen
Paul S. Cohen University of Rhode Island
Hans Bisgaard
Hans Bisgaard University of Copenhagen
Tine Rask Licht
Tine Rask Licht Technical University of Denmark
Flemming Scheutz
Flemming Scheutz Statens Serum Institut
Søren Molin
Søren Molin Technical University of Denmark
Klaus Bønnelykke
Klaus Bønnelykke University of Copenhagen
Per Klemm
Per Klemm Technical University of Denmark
Anders Løbner-Olesen
Anders Løbner-Olesen University of Copenhagen

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