Stephan Ehrhardt

4.2k citations

82 papers · 2.4k indexed · h-index 29

Impact in

Public Health, Environmental and Occupational Health top 1%
- Malaria Research and Control
- Mosquito-borne diseases and control
- Maternal Mental Health During Pregnancy and Postpartum
Parasitology top 2%
- Parasites and Host Interactions

Papers in ⓘ

Public Health, Environmental and Occupational Health 52
- Malaria Research and Control 29
- Mosquito-borne diseases and control 19
- Maternal Mental Health During Pregnancy and Postpartum 10
- Health and Medical Research Impacts 6
Epidemiology 16

Co-authors: Ulrich Bienzle (24 shared papers)Frank P. Mockenhaupt (25 shared papers)Rowland N. Otchwemah (21 shared papers)Jakob P. Cramer (12 shared papers)Elisabeth Dietz (7 shared papers)Sylvester D. Anemana (12 shared papers)Carola Bindt (11 shared papers)Claus Barkmann (9 shared papers)
Journals: Tropical Medicine & International Health (9 papers)Journal of Affective Disorders (6 papers)PLoS ONE (5 papers)Transactions of the Royal Society of Tropical Medicine and Hygiene (4 papers)JAMA Network Open (3 papers)
Partner nations: United States Germany Ghana

In The Last Decade

Stephan Ehrhardt

80 papers receiving 2.3k citations

Peers

Countries citing papers authored by Stephan Ehrhardt

Since Specialization

Citations

This map shows the geographic impact of Stephan Ehrhardt's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Stephan Ehrhardt with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Stephan Ehrhardt more than expected).

Fields of papers citing papers by Stephan Ehrhardt

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Stephan Ehrhardt. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Stephan Ehrhardt. The network helps show where Stephan Ehrhardt may publish in the future.

Co-authors

The 25 scholars most cited alongside Stephan Ehrhardt, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Stephan Ehrhardt Line = papers co-authored together Stephan Ehrhardt links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 82 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Toll-like receptor (TLR) polymorphisms in African children: CommonTLR-4variants predispose to severe malaria Proceedings of the National Academy of Sciences ·Frank P. Mockenhaupt, Jakob P. Cramer, Lutz Hamann, Miriam Stegemann, Jana Eckert, Na-Ri Oh, Rowland N. Otchwemah, Elisabeth Dietz, Stephan Ehrhardt, Nicolas W.J. Schröder, Ulrich Bienzle, Ralf R. Schumann	2005	254
2	Malaria, Anemia, and Malnutrition in African Children—Defining Intervention Priorities The Journal of Infectious Diseases ·Stephan Ehrhardt, Gerd Burchard, Carsten Mantel, Jakob P. Cramer, Sarah Kaiser, Martina Kubo, Rowland N. Otchwemah, Ulrich Bienzle, Frank P. Mockenhaupt	2006	160
3	MANIFESTATION AND OUTCOME OF SEVERE MALARIA IN CHILDREN IN NORTHERN GHANA American Journal of Tropical Medicine and Hygiene ·Frank P. Mockenhaupt, Jana Burkhardt, Sylvester D. Anemana, SABINE GELLERT, JAKOB P. CRAMER, Stephan Ehrhardt, STEPHEN LARYEA, Ulrich Bienzle, Rowland N. Otchwemah, Elisabeth Dietz, SAMUEL Y. BOSOMTWE	2004	124
4	Trends in National Institutes of Health Funding for Clinical Trials Registered in ClinicalTrials.gov JAMA ·Stephan Ehrhardt, Lawrence J. Appel, Curtis L. Meinert	2015	106
5	α+-thalassemia protects African children from severe malaria Blood ·Frank P. Mockenhaupt, Stephan Ehrhardt, Sabine Gellert, Rowland N. Otchwemah, Elisabeth Dietz, Sylvester D. Anemana, Ulrich Bienzle	2004	98
6	Very low birth-weight as a risk factor for postpartum depression four to six weeks postbirth in mothers and fathers: Cross-sectional results from a controlled multicentre cohort study Journal of Affective Disorders ·Nadine Helle, Claus Barkmann, Jutta Bartz-Seel, Thilo Diehl, Stephan Ehrhardt, Astrid Hendel, Yvonne Nestoriuc, Michael Schulte‐Markwort, A von der Wense, Carola Bindt	2015	82
7	Global elimination of mother-to-child transmission of hepatitis B: revisiting the current strategy The Lancet Infectious Diseases ·Chloe L. Thio, Nan Guo, Chan Xie, Kenrad E. Nelson, Stephan Ehrhardt	2015	73
8	Antepartum Depression and Anxiety Associated with Disability in African Women: Cross-Sectional Results from the CDS Study in Ghana and Côte d'Ivoire PLoS ONE ·Carola Bindt, John Appiah‐Poku, Marguerite Te Bonle, Stefanie Schoppen, Torsten Feldt, Claus Barkmann, Mathurin Koffi, Jana Baum, Samuel Blay Nguah, Harry Tagbor, Nan Guo, Eliézer K. N’Goran, Stephan Ehrhardt, (unknown)	2012	71
9	Hemoglobin C and Resistance to Severe Malaria in Ghanaian Children The Journal of Infectious Diseases ·Frank P. Mockenhaupt, Stephan Ehrhardt, Jakob P. Cramer, Rowland N. Otchwemah, Sylvester D. Anemana, Katharina Goltz, Franziska Mylius, Elisabeth Dietz, Teunis A. Eggelte, Ulrich Bienzle	2004	61
10	Plasmodium falciparum dhfr but not dhps mutations associated with sulphadoxine‐pyrimethamine treatment failure and gametocyte carriage in northern Ghana Tropical Medicine & International Health ·Frank P. Mockenhaupt, Teun Bousema, Teunis A. Eggelte, Jonas Schreiber, Stephan Ehrhardt, Nasstasja Wassilew, Rowland N. Otchwemah, Robert W. Sauerwein, Ulrich Bienzle	2005	60
11	Breastfeeding While Taking Lamivudine or Tenofovir Disoproxil Fumarate: A Review of the Evidence Clinical Infectious Diseases ·Stephan Ehrhardt, Chan Xie, Nan Guo, Kenrad E. Nelson, Chloe L. Thio	2014	54
12	A randomized, placebo‐controlled, double‐blind trial on sulfadoxine–pyrimethamine alone or combined with artesunate or amodiaquine in uncomplicated malaria Tropical Medicine & International Health ·Frank P. Mockenhaupt, Stephan Ehrhardt, Stephen Y. Dzisi, Teun Bousema, Nasstasja Wassilew, Jonas Schreiber, Sylvester D. Anemana, Jakob P. Cramer, Rowland N. Otchwemah, Robert W. Sauerwein, Teunis A. Eggelte, Ulrich Bienzle	2005	51
13	Knowledge of and attitudes towards hepatitis B and its transmission from mother to child among pregnant women in Guangdong Province, China PLoS ONE ·Zhenyan Han, Yuzhu Yin, Yuan Zhang, Stephan Ehrhardt, Chloe L. Thio, Kenrad E. Nelson, Xiaoyi Bai, Hongying Hou	2017	49
14	A syringe exchange programme in prison as prevention strategy against HIV infection and hepatitis B and C in Berlin, Germany Epidemiology and Infection ·Klaus Stark, Uwe Herrmann, Stephan Ehrhardt, Ulrich Bienzle	2005	48
15	Postpartum posttraumatic and acute stress in mothers and fathers of infants with very low birth weight: Cross-sectional results from a controlled multicenter cohort study Journal of Affective Disorders ·Nadine Helle, Claus Barkmann, Stephan Ehrhardt, Carola Bindt	2018	45
16	Postpartum anxiety and adjustment disorders in parents of infants with very low birth weight: Cross-sectional results from a controlled multicentre cohort study Journal of Affective Disorders ·Nadine Helle, Claus Barkmann, Stephan Ehrhardt, A von der Wense, Yvonne Nestoriuc, Carola Bindt	2016	42
17	No Association between Antenatal Common Mental Disorders in Low-Obstetric Risk Women and Adverse Birth Outcomes in Their Offspring: Results from the CDS Study in Ghana and Côte D'Ivoire PLoS ONE ·Carola Bindt, Nan Guo, Marguerite Te Bonle, John Appiah‐Poku, Rebecca Hinz, Dana Barthel, Stefanie Schoppen, Torsten Feldt, Claus Barkmann, Koffi Mathurin, Wibke Loag, Samuel Blay Nguah, Kirsten Alexandra Eberhardt, Harry Tagbor, Eliézer K. N’Goran, Stephan Ehrhardt, (unknown)	2013	42
18	High levels of circulating cardiac proteins indicate cardiac impairment in African children with severe Plasmodium falciparum malaria Microbes and Infection ·Stephan Ehrhardt, Frank P. Mockenhaupt, Sylvester D. Anemana, Rowland N. Otchwemah, Dominic Wichmann, Jakob P. Cramer, Ulrich Bienzle, Gerd Burchard, Norbert W. Brattig	2005	40
19	Circulating concentrations of cardiac proteins in complicated and uncomplicated Plasmodium falciparum malaria Tropical Medicine & International Health ·Stephan Ehrhardt, Dominic Wichmann, Christoph Josef Hemmer, G. D. Burchard, Norbert W. Brattig	2004	37
20	Imported leishmaniasis in Germany 2001–2004: data of the SIMPID surveillance network European Journal of Clinical Microbiology & Infectious Diseases ·Thomas Weitzel, Nikolai Mühlberger, T. Jelinek, Mirjam Schunk, Stephan Ehrhardt, Christian Bogdan, Keikawus Arastéh, Thomas Schneider, Wolfgang Kern, Gerd Fätkenheuer, Gerhard Boecken, Thomas Zöller, Meike Probst, Mathilde C. Peters, Thomas Weinke, Sabine Gfrörer, Hartwig Klinker, M.-L. Holthoff-Stich, (unknown)	2005	37

About Stephan Ehrhardt

Stephan Ehrhardt is a scholar working on Public Health, Environmental and Occupational Health, Epidemiology, Infectious Diseases, Statistics, Probability and Uncertainty and Pediatrics, Perinatology and Child Health, having authored 82 papers that have together received 2.4k indexed citations. Recurring topics across this work include Malaria Research and Control (29 papers), Mosquito-borne diseases and control (19 papers), Meta-analysis and systematic reviews (11 papers), Maternal Mental Health During Pregnancy and Postpartum (10 papers), Health Systems, Economic Evaluations, Quality of Life (9 papers), Child and Adolescent Psychosocial and Emotional Development (7 papers), Health and Medical Research Impacts (6 papers) and Infant Development and Preterm Care (6 papers). The work is most often cited by research in Public Health, Environmental and Occupational Health (1.3k citations), Parasitology (238 citations), Hepatology (220 citations), Genetics (235 citations) and Pediatrics, Perinatology and Child Health (348 citations). Stephan Ehrhardt has collaborated with scholars based in United States, Germany and Ghana. Frequent co-authors include Ulrich Bienzle, Frank P. Mockenhaupt, Rowland N. Otchwemah, Jakob P. Cramer, Elisabeth Dietz, Sylvester D. Anemana, Carola Bindt, Claus Barkmann, Curtis L. Meinert and Teunis A. Eggelte. Their work appears in journals such as Tropical Medicine & International Health, Journal of Affective Disorders, PLoS ONE, Transactions of the Royal Society of Tropical Medicine and Hygiene and JAMA Network Open.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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