Olaf Degen

2.8k total citations
39 papers, 688 citations indexed

About

Olaf Degen is a scholar working on Infectious Diseases, Virology and Epidemiology. According to data from OpenAlex, Olaf Degen has authored 39 papers receiving a total of 688 indexed citations (citations by other indexed papers that have themselves been cited), including 19 papers in Infectious Diseases, 18 papers in Virology and 18 papers in Epidemiology. Recurrent topics in Olaf Degen's work include HIV Research and Treatment (18 papers), HIV/AIDS Research and Interventions (15 papers) and Immune Cell Function and Interaction (7 papers). Olaf Degen is often cited by papers focused on HIV Research and Treatment (18 papers), HIV/AIDS Research and Interventions (15 papers) and Immune Cell Function and Interaction (7 papers). Olaf Degen collaborates with scholars based in Germany, Austria and United Kingdom. Olaf Degen's co-authors include Julian Schulze zur Wiesch, Jan van Lunzen, Stefan Schmiedel, Albrecht Stoehr, Andreas Plettenberg, Helmut Albrecht, Hans-Jürgen Stellbrink, Christian Hoffmann, Christian Eggers and Ansgar W. Lohse and has published in prestigious journals such as Journal of Biological Chemistry, PLoS ONE and Clinical Infectious Diseases.

In The Last Decade

Olaf Degen

36 papers receiving 674 citations

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Olaf Degen Germany	13	278	241	215	214	122	39	688
Seema Desai United States	11	260 0.9×	183 0.8×	212 1.0×	236 1.1×	60 0.5×	20	689
Mariola López Spain	19	503 1.8×	363 1.5×	336 1.6×	366 1.7×	29 0.2×	39	950
Catherine Dhiver France	8	252 0.9×	307 1.3×	46 0.2×	116 0.5×	31 0.3×	10	570
Miguel Genebat Spain	19	552 2.0×	376 1.6×	331 1.5×	263 1.2×	43 0.4×	55	902
Yan‐Mei Jiao China	13	161 0.6×	164 0.7×	167 0.8×	94 0.4×	30 0.2×	48	425
George McKinley United States	12	219 0.8×	227 0.9×	62 0.3×	389 1.8×	68 0.6×	28	644
Sara Lozano Spain	12	315 1.1×	206 0.9×	179 0.8×	122 0.6×	16 0.1×	27	461
Troels Bygum Knudsen Denmark	11	126 0.5×	116 0.5×	159 0.7×	134 0.6×	22 0.2×	17	447
Olivia Chan Canada	6	233 0.8×	141 0.6×	202 0.9×	112 0.5×	52 0.4×	7	599
Denise C. Hsu United States	16	368 1.3×	303 1.3×	228 1.1×	222 1.0×	20 0.2×	40	752

Countries citing papers authored by Olaf Degen

Since Specialization

Citations

This map shows the geographic impact of Olaf Degen'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 Olaf Degen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Olaf Degen more than expected).

Fields of papers citing papers by Olaf Degen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Olaf Degen. 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 Olaf Degen. The network helps show where Olaf Degen may publish in the future.

Co-authorship network of co-authors of Olaf Degen

This figure shows the co-authorship network connecting the top 25 collaborators of Olaf Degen. A scholar is included among the top collaborators of Olaf Degen based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Olaf Degen. Olaf Degen is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Koch, Till, et al.. (2025). Five-Year German PrEP cohort reveals high HIV protection and persistent STI burden: implications for individualized and flexible prevention strategies. Infection. 54(1). 339–352.

Vélez, Juan D., Silvia Narejos Pérez, Rebecca A. Clark, et al.. (2025). A Phase 3 Randomized Trial Investigating the Safety, Tolerability, and Immunogenicity of V116, an Adult-Specific Pneumococcal Vaccine, Compared with PPSV23, in Adults ≥50 Years of Age (STRIDE-10). Vaccines. 13(4). 341–341. 1 indexed citations

Hüfner, Anja, et al.. (2025). Long-Term Real-World Use of Cabotegravir/Rilpivirine: Adherence and Virological Efficacy over a 44-Month Observation Period. Infectious Diseases and Therapy. 14(8). 1775–1797. 1 indexed citations

Degen, Olaf, et al.. (2024). Lack of evidence of acute HEV infections as a sexually transmitted disease: Data from a German cohort of PrEP users. The Brazilian Journal of Infectious Diseases. 28(1). 103720–103720. 2 indexed citations

Kollan, Christian, Barbara Gunsenheimer‐Bartmeyer, Björn‐Erik Ole Jensen, et al.. (2023). AIDS in the era of antiretroviral therapy: Changes in incidence rates and predictors of AIDS among people living with HIV under clinical care in Germany, a cohort study 1999–2018. HIV Medicine. 24(7). 794–806.

Kolbe, Katharina, Philip Hartjen, Olaf Degen, et al.. (2022). Inversed Ratio of CD39/CD73 Expression on γδ T Cells in HIV Versus Healthy Controls Correlates With Immune Activation and Disease Progression. Frontiers in Immunology. 13. 867167–867167. 6 indexed citations

Bockmann, Jan‐Hendrik, Thomas Horvatits, Oliver Seiz, et al.. (2019). Comparison of the integrin α4β7 expression pattern of memory T cell subsets in HIV infection and ulcerative colitis. PLoS ONE. 14(7). e0220008–e0220008. 11 indexed citations

Ebert, Julia, Jan Sperhake, Olaf Degen, & Ann Sophie Schröder. (2018). The use of HIV post-exposure prophylaxis in forensic medicine following incidents of sexual violence in Hamburg, Germany: a retrospective study. Forensic Science Medicine and Pathology. 14(3). 332–341. 6 indexed citations

Grabovac, Igor, et al.. (2017). Clinical setting-based smoking cessation programme and the quality of life in people living with HIV in Austria and Germany. Quality of Life Research. 26(9). 2387–2395. 3 indexed citations

10.

Kreuels, Benno, Stefan Schmiedel, Anja Hüfner, et al.. (2016). High proportion of HIV late presenters at an academic tertiary care center in northern Germany confirms the results of several cohorts in Germany: time to put better HIV screening efforts on the national agenda?. Infection. 44(3). 347–352. 8 indexed citations

11.

Brath, Helmut, et al.. (2016). Prevalence and Correlates of Smoking and Readiness to Quit Smoking in People Living with HIV in Austria and Germany. PLoS ONE. 11(2). e0150553–e0150553. 19 indexed citations

12.

Eberhard, Johanna M., Glòria Martrus, Olaf Degen, et al.. (2016). Brief Report: Increased Frequency of CD39+ CD56bright Natural Killer Cells in HIV-1 Infection Correlates With Immune Activation and Disease Progression. JAIDS Journal of Acquired Immune Deficiency Syndromes. 74(4). 467–472. 13 indexed citations

13.

Eßer, Stefan, Alexander Kreuter, Mark Oette, et al.. (2015). German‐Austrian guidelines on anal dysplasia and anal cancer in HIV‐positive individuals: prevention, diagnosis, and treatment. JDDG Journal der Deutschen Dermatologischen Gesellschaft. 13(12). 1302–1319. 38 indexed citations

14.

Wehmeyer, Malte H., Sabine Jordan, Claudia Röder, et al.. (2014). Safety and efficacy of protease inhibitor based combination therapy in a single-center “real-life” cohort of 110 patients with chronic hepatitis C genotype 1 infection. BMC Gastroenterology. 14(1). 87–87. 19 indexed citations

15.

Beisel, Claudia, Benjamin Otto, Stefan Schmiedel, et al.. (2014). German cohort of HCV mono-infected and HCV/HIV co-infected patients reveals relative under-treatment of co-infected patients. AIDS Research and Therapy. 11(1). 16–16. 10 indexed citations

16.

Degen, Olaf, Péter Hartmann, Christoph Mayr, et al.. (2014). Smoking prevalence, readiness to quit and smoking cessation in HIV+ patients in Germany and Austria. Journal of the International AIDS Society. 17(4S3). 19729–19729. 4 indexed citations

17.

Heiken, Hans, L Gallo, Michael Schlag, et al.. (2012). STRike ‐ characteristics of HIV‐1‐infected patients treated with a single‐tablet regimen in daily clinical practice. Journal of the International AIDS Society. 15(S4). 1–2. 1 indexed citations

18.

Hoffmann, Christian, Hans‐Juergen Stellbrink, Olaf Degen, et al.. (2007). Adoptive transfer of syngeneic T cells in HIV‐1 discordant twins indicates rapid regulation of T‐cell homeostasis. British Journal of Haematology. 136(4). 641–648. 7 indexed citations

19.

Meyding‐Lamadé, Uta, Wolfram Lamadé, Roland Kehm, et al.. (1998). Herpes simplex virus encephalitis: cranial magnetic resonance imaging and neuropathology in a mouse model. Neuroscience Letters. 248(1). 13–16. 21 indexed citations

20.

Albrecht, Helmut, Christian Hoffmann, Olaf Degen, et al.. (1998). Highly active antiretroviral therapy significantly improves the prognosis of patients with HIV-associated progressive multifocal leukoencephalopathy. AIDS. 12(10). 1149–1154. 110 indexed citations

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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