2026 Jan Wohlfahrt: Medicine Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Medicine	88	13206	12430	144	136	316	27104

Jan Wohlfahrt publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Jan Wohlfahrt sits on this spectrum.

101 publications 1,796+

This scientist: 316 publications — 20th percentile

20% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Jan Wohlfahrt D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Jan Wohlfahrt sits on this spectrum.

70 D-Index 217+

This scientist: 88 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Jan Wohlfahrt is affiliated with the Statens Serum Institut in Denmark and has contributed extensively to research in the field of medicine, with a particular focus on infectious diseases, public health, and cardiology-related subjects. Their work spans multiple subfields including obstetrics and gynecology, infectious diseases, public health, environmental and occupational health, cardiology and cardiovascular medicine, and pediatrics, perinatology, and child health.

They have a notable publication record in significant scientific venues, with frequent contributions to bioRxiv (Cold Spring Harbor Laboratory), The Lancet Infectious Diseases, Scientific Reports, BMJ, and PLoS Medicine.

Key topics in their research include pregnancy and preeclampsia studies, SARS-CoV-2 and COVID-19 research, birth, development and health, COVID-19 clinical research studies, gestational diabetes research and management, as well as lipoproteins and cardiovascular health and diabetes-related cardiovascular risks.

Some of their recent published papers are:

SARS-CoV-2 vaccination and myocarditis or myopericarditis: population based cohort study, 2021, BMJ
Risk of hospitalisation associated with infection with SARS-CoV-2 omicron variant versus delta variant in Denmark: an observational cohort study, 2022, The Lancet Infectious Diseases
SARS-CoV-2 Vaccination and Myocarditis in a Nordic Cohort Study of 23 Million Residents, 2022, JAMA Cardiology
Risk of hospitalisation associated with infection with SARS-CoV-2 lineage B.1.1.7 in Denmark: an observational cohort study, 2021, The Lancet Infectious Diseases
Hospitalisation associated with SARS-CoV-2 delta variant in Denmark, 2021, The Lancet Infectious Diseases

Frequent co-authors collaborating with Jan Wohlfahrt include:

Mads Melbye
Heather A. Boyd
Marie Lund
Saima Basit
Anders Hviid

Best Publications

Maternal age and fetal loss: population based register linkage study

Anne-Marie Nybo Andersen;Jan Wohlfahrt;Peter Christens;Jørn Olsen

2153
Citations
Effects of family history and place and season of birth on the risk of schizophrenia.

Preben Bo Mortensen;Carsten Bøcker Pedersen;Tine Westergaard;Jan Wohlfahrt

1095
Citations
A Population-Based Study of Measles, Mumps, and Rubella Vaccination and Autism

Kreesten Meldgaard Madsen;Anders Hviid;Mogens Vestergaard;Diana Schendel

1053
Citations
Sexually Transmitted Infection as a Cause of Anal Cancer

Frisch M;Glimelius B;van den Brule Aj;Wohlfahrt J

863
Citations
Caesarean delivery and risk of atopy and allergic disesase: meta-analyses

P Bager;J Wohlfahrt;T Westergaard

699
Citations
Growth patterns and the risk of breast cancer in women.

M. Ahlgren;M. Melbye;J. Wohlfahrt;T.I.A. Sørensen

547
Citations
Factors influencing the effect of age on prognosis in breast cancer: population based study

Niels Kroman;Maj-Britt Jensen;Jan Wohlfahrt;Henning T Mouridsen

502
Citations
Environmental risk factors differ between rheumatoid arthritis with and without auto-antibodies against cyclic citrullinated peptides

Merete Pedersen;Søren Jacobsen;Mette Klarlund;Bo V Pedersen

478
Citations
Association between thimerosal-containing vaccine and autism.

Anders Hviid;Michael Stellfeld;Jan Wohlfahrt;Mads Melbye

472
Citations
Recurrence of Congenital Heart Defects in Families

Nina Øyen;Gry Poulsen;Heather A. Boyd;Jan Wohlfahrt

456
Citations
Changes in medical treatment and surgery rates in inflammatory bowel disease: a nationwide cohort study 1979–2011

Christine Rungoe;Ebbe Langholz;Mikael Andersson;Saima Basit

385
Citations
Cohort study of sibling effect, infectious diseases, and risk of atopic dermatitis during first 18 months of life

Christine Stabell Benn;Mads Melbye;Jan Wohlfahrt;Bengt Björkstén

316
Citations
Risk of post-pregnancy hypertension in women with a history of hypertensive disorders of pregnancy: nationwide cohort study.

Ida Behrens;Saima Basit;Mads Melbye;Jacob A Lykke

287
Citations
Induced Abortion and the Risk of Breast Cancer

Mads Melbye;Jan Wohlfahrt;Jørgen H. Olsen;Morten Frisch

286
Citations
Measles in Europe: an epidemiological assessment

Mark Muscat;Henrik Bang;Jan Wohlfahrt;Steffen Glismann

282
Citations
Strong combined gene-environment effects in anti-cyclic citrullinated peptide-positive rheumatoid arthritis: a nationwide case-control study in Denmark.

Merete Pedersen;Søren Jacobsen;Peter Garred;Hans O. Madsen

273
Citations
Maternal risk of breast cancer and birth characteristics of offspring by time since birth.

Jan Wohlfahrt;Mads Melbye

255
Citations
Body mass index and risk of autoimmune diseases: a study within the Danish National Birth Cohort

Maria C Harpsøe;Saima Basit;Mikael Andersson;Nete M Nielsen

253
Citations
Cohort study of relation between donating blood and risk of myocardial infarction in 2682 men in eastern finland

Tuomainen Tp;Salonen R;Nyyssönen K;Salonen Jt

185
Citations
Population based study of rates of multiple pregnancies in denmark, 1980-94

Tine Westergaard;Jan Wohlfahrt;Peter Aaby;Mads Melbye

146
Citations

Frequent Co-Authors

Mads Melbye University of Copenhagen

Per Kragh Andersen University of Copenhagen

Morten Frisch Statens Serum Institut

Henrik Hjalgrim Statens Serum Institut

Peter Aaby University of Southern Denmark

Robert J. Biggar National Institutes of Health

Christine Stabell Benn University of Southern Denmark

Jørn Olsen Aarhus University

Jacob P. Thyssen University of Copenhagen

Bjarke Feenstra Statens Serum Institut

External Links

Personal website of Jan Wohlfahrt

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