Matthias Klein

6.5k total citations · 2 hit papers
122 papers, 3.7k citations indexed

About

Matthias Klein is a scholar working on Epidemiology, Microbiology and Infectious Diseases. According to data from OpenAlex, Matthias Klein has authored 122 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 62 papers in Epidemiology, 56 papers in Microbiology and 20 papers in Infectious Diseases. Recurrent topics in Matthias Klein's work include Bacterial Infections and Vaccines (54 papers), Pneumonia and Respiratory Infections (45 papers) and Immune Response and Inflammation (16 papers). Matthias Klein is often cited by papers focused on Bacterial Infections and Vaccines (54 papers), Pneumonia and Respiratory Infections (45 papers) and Immune Response and Inflammation (16 papers). Matthias Klein collaborates with scholars based in Germany, Switzerland and United States. Matthias Klein's co-authors include Hans‐Walter Pfister, Uwe Koedel, Tobias Weinberger, Michael von Bergwelt‐Baildon, Vindi Jurinović, Johannes C. Hellmuth, Brian J. Lipworth, Tobias Herold, Barbara Angele and Stefan Kastenbauer and has published in prestigious journals such as SHILAP Revista de lepidopterología, The Journal of Immunology and PLoS ONE.

In The Last Decade

Matthias Klein

106 papers receiving 3.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Elevated levels of IL-6 and CRP predict the need for mechanical ventilation in COVID-19

2020 687 citations Matthias Klein, Tobias Weinberger et al. profile →
ESCMID guideline: diagnosis and treatment of acute bacterial meningitis

2016 510 citations Matthias Klein, Pasquale Pagliano et al. Clinical Microbiology and Infection profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Matthias Klein Germany	28	1.3k	1.1k	930	687	658	122	3.7k
Takashi Ichiyama Japan	36	1.1k 0.9×	718 0.6×	1.6k 1.7×	725 1.1×	553 0.8×	163	4.5k
Uwe Koedel Germany	35	1.5k 1.2×	1.8k 1.6×	511 0.5×	701 1.0×	310 0.5×	89	4.0k
Tobias Tenenbaum Germany	31	900 0.7×	455 0.4×	745 0.8×	406 0.6×	197 0.3×	110	3.0k
Martin G. Täuber Switzerland	39	2.0k 1.6×	1.9k 1.6×	907 1.0×	607 0.9×	133 0.2×	108	4.5k
W. Michael Scheld United States	32	2.0k 1.6×	1.2k 1.1×	1.6k 1.7×	524 0.8×	180 0.3×	92	4.6k
A. Marceline van Furth Netherlands	34	1.5k 1.2×	976 0.9×	846 0.9×	447 0.7×	80 0.1×	134	3.5k
Tsuneo Morishima Japan	45	4.0k 3.2×	626 0.5×	2.7k 2.9×	744 1.1×	500 0.8×	229	7.4k
Kurt Olsen United States	33	2.3k 1.8×	1.9k 1.7×	497 0.5×	346 0.5×	123 0.2×	56	4.0k
Rachel Kneen United Kingdom	34	1.1k 0.8×	364 0.3×	2.1k 2.2×	324 0.5×	901 1.4×	94	4.8k
Martin Witzenrath Germany	39	1.2k 0.9×	355 0.3×	522 0.6×	1.8k 2.6×	282 0.4×	182	5.0k

Countries citing papers authored by Matthias Klein

Since Specialization

Citations

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

Fields of papers citing papers by Matthias Klein

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Matthias Klein

This figure shows the co-authorship network connecting the top 25 collaborators of Matthias Klein. A scholar is included among the top collaborators of Matthias Klein 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 Matthias Klein. Matthias Klein 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

Fleischmann, Robert, et al.. (2025). Klinikleitfaden Delir.

Masouris, Ilias, Matthias Klein, Christian Schichor, et al.. (2025). Clinical, diagnostic and therapeutic challenges in CNS fungal infections: a single-center retrospective data analysis. Journal of Neurology. 272(3). 214–214.

Woehrle, Tobias, Matthias Feuerecker, Dominique Moser, et al.. (2024). Point‐of‐care breath sample analysis by semiconductor‐based E‐Nose technology discriminates non‐infected subjects from SARS‐CoV‐2 pneumonia patients: a multi‐analyst experiment. SHILAP Revista de lepidopterología. 5(11). e726–e726. 1 indexed citations

Zimmermann, Markus, et al.. (2024). Acute Onset of Impaired Consciousness. Deutsches Ärzteblatt international. 121(15). 508–518. 2 indexed citations

Brandes, Florian, Benedikt Kirchner, Matthias Klein, et al.. (2023). Extensive blood transcriptome analysis reveals cellular signaling networks activated by circulating glycocalyx components reflecting vascular injury in COVID-19. Frontiers in Immunology. 14. 1129766–1129766. 9 indexed citations

Saller, Maximilian Michael, Rupert Meller, Carl Neuerburg, et al.. (2023). Clinical Acuity in the Emergency Department and Injury Severity Determine Hospital Admission of Older Patients with Low Energy Falls: Outcomes from a Prospective Feasibility Study. Journal of Clinical Medicine. 12(9). 3144–3144.

Bodilsen, Jacob, Quintino Giorgio D’Alessandris, H. Humphreys, et al.. (2023). European society of Clinical Microbiology and Infectious Diseases guidelines on diagnosis and treatment of brain abscess in children and adults. Clinical Microbiology and Infection. 30(1). 66–89. 32 indexed citations

Brandes, Florian, Annekathrin M. Keiler, Benedikt Kirchner, et al.. (2023). Extracellular Vesicles and Endocannabinoid Signaling in Patients with COVID-19. Cannabis and Cannabinoid Research. 9(5). 1326–1338. 2 indexed citations

Mahajan, Ujjwal Mukund, Johanna Erber, Florian Voit, et al.. (2023). Validation of the SACOV-19 score for identifying patients at risk of complicated or more severe COVID-19: a prospective study. Infection. 51(6). 1669–1678. 1 indexed citations

10.

Kowoll, Christina M, Matthias Klein, Farid Salih, et al.. (2022). IGNITE Status Epilepticus Survey: A Nationwide Interrogation about the Current Management of Status Epilepticus in Germany. Journal of Clinical Medicine. 11(5). 1171–1171. 5 indexed citations

11.

Weinberger, Tobias, Julius Steffen, Andreas Osterman, et al.. (2021). Prospective Longitudinal Serosurvey of Healthcare Workers in the First Wave of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Pandemic in a Quaternary Care Hospital in Munich, Germany. Clinical Infectious Diseases. 73(9). e3055–e3065. 17 indexed citations

12.

Winklmeier, Stephan, Katharina Eisenhut, Heike Rübsamen, et al.. (2021). Persistence of functional memory B cells recognizing SARS-CoV-2 variants despite loss of specific IgG. iScience. 25(1). 103659–103659. 20 indexed citations

13.

Hermann, Stefanie, Florian Brandes, Benedikt Kirchner, et al.. (2020). Diagnostic potential of circulating cell‐free microRNAs for community‐acquired pneumonia and pneumonia‐related sepsis. Journal of Cellular and Molecular Medicine. 24(20). 12054–12064. 29 indexed citations

14.

Küpper, Clemens, Katharina Feil, Matthias Klein, et al.. (2019). Idarucizumab administration in emergency situations: the Munich Registry of Reversal of Pradaxa® in clinical routine (MR REPAIR). Journal of Neurology. 266(11). 2807–2811. 15 indexed citations

15.

Koedel, Uwe, Matthias Klein, & Hans Walter Pfister. (2019). Neurological infections in 2019: challenges, solutions, and open questions. The Lancet Neurology. 19(1). 19–20. 1 indexed citations

16.

Rotkopf, Lukas T., Wolfgang G. Kunz, Felix G. Meinel, et al.. (2018). Bioccipital Lobe Hypoperfusion and Anton's Syndrome Resolution with Intravenous Thrombolysis. Journal of Stroke and Cerebrovascular Diseases. 28(1). 227–228. 1 indexed citations

17.

Rupprecht, Tobias A., Kirsi Manz, Volker Fingerle, et al.. (2018). Diagnostic value of cerebrospinal fluid CXCL13 for acute Lyme neuroborreliosis. A systematic review and meta-analysis. Clinical Microbiology and Infection. 24(12). 1234–1240. 73 indexed citations

18.

Rupprecht, Tobias A., Andreas Plate, Stefan Kastenbauer, et al.. (2009). The chemokine CXCL13 is a key regulator of B cell recruitment to the cerebrospinal fluid in acute Lyme neuroborreliosis. Journal of Neuroinflammation. 6(1). 42–42. 106 indexed citations

19.

Rupprecht, Tobias A., Barbara Angele, Matthias Klein, et al.. (2007). Complement C1q and C3 Are Critical for the Innate Immune Response to Streptococcus pneumoniae in the Central Nervous System. The Journal of Immunology. 178(3). 1861–1869. 70 indexed citations

20.

Cho, Chie Hee, Mehdi Shakibaei, H. J. Merker, & Matthias Klein. (2006). Die seltene Fehlbildung der Nasenaplasie. Mund- Kiefer- und Gesichtschirurgie. 10(2). 107–118. 2 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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