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

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

#	Work	Indexed citations
1	Klinikleitfaden Delir 2025 ·Robert Fleischmann, (unknown), Annerose Mengel, (unknown), (unknown), (unknown), (unknown), Matthias Klein, (unknown), (unknown), (unknown), Rebecca Palm, (unknown), (unknown), (unknown)	0
2	Clinical, diagnostic and therapeutic challenges in CNS fungal infections: a single-center retrospective data analysis 2025 ·Journal of Neurology ·Ilias Masouris, Matthias Klein, Christian Schichor, Hans‐Joachim Stemmler, Uwe Koedel, Hans‐Walter Pfister	0
3	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 2024 ·SHILAP Revista de lepidopterología ·Tobias Woehrle, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Matthias Feuerecker, Dominique Moser, Matthias Klein, (unknown), Michael E. Dolch, Anne‐Laure Boulesteix, (unknown), Alexander Choukèr	1
4	Acute Onset of Impaired Consciousness 2024 ·Deutsches Ärzteblatt international ·(unknown), Markus Zimmermann, Wolf‐Dirk Niesen, Florian Hoffmann, Matthias Klein	2
5	Extensive blood transcriptome analysis reveals cellular signaling networks activated by circulating glycocalyx components reflecting vascular injury in COVID-19 2023 ·Frontiers in Immunology ·(unknown), Florian Brandes, Benedikt Kirchner, Matthias Klein, Jean-Noël Billaud, Marlene Reithmair, Markus Rehm, Gustav Schelling, Michael W. Pfaffl, Agnes S. Meidert	9
6	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 2023 ·Journal of Clinical Medicine ·(unknown), Maximilian Michael Saller, Rupert Meller, Carl Neuerburg, Christian Kammerlander, Wolfgang Boecker, Matthias Klein, Vera Pedersen	0
7	European society of Clinical Microbiology and Infectious Diseases guidelines on diagnosis and treatment of brain abscess in children and adults 2023 ·Clinical Microbiology and Infection ·Jacob Bodilsen, Quintino Giorgio D’Alessandris, H. Humphreys, Mildred A. Iro, Matthias Klein, Katharina Last, Inmaculada López-Montesinos, Pasquale Pagliano, Oğuz Reşat Sıpahı, Rafael San Juan, Pierre Tattevin, Majda M. Thurnher, Rogelio de J. Treviño‐Rangel, Matthijs C. Brouwer	32
8	Extracellular Vesicles and Endocannabinoid Signaling in Patients with COVID-19 2023 ·Cannabis and Cannabinoid Research ·Florian Brandes, Annekathrin M. Keiler, Benedikt Kirchner, (unknown), Jean-Noël Billaud, Marlene Reithmair, Matthias Klein, Patrizia Campolongo, Detlef Thieme, Michael W. Pfaffl, Gustav Schelling, Agnes S. Meidert	2
9	Validation of the SACOV-19 score for identifying patients at risk of complicated or more severe COVID-19: a prospective study 2023 ·Infection ·Ujjwal Mukund Mahajan, Johanna Erber, (unknown), Florian Voit, Jakob Vielhauer, (unknown), (unknown), Najib Ben Khaled, (unknown), (unknown), Matthias Klein, Carolin Jakob, Marcus Oswald, Rainer König, Christian Schulz, Julia Mayerle, Hans Stubbe	1
10	IGNITE Status Epilepticus Survey: A Nationwide Interrogation about the Current Management of Status Epilepticus in Germany 2022 ·Journal of Clinical Medicine ·Christina M Kowoll, Matthias Klein, Farid Salih, Gereon R. Fink, Henning Stetefeld, Oezguer A. Onur, Michael P. Malter, (unknown)	5
11	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 2021 ·Clinical Infectious Diseases ·Tobias Weinberger, Julius Steffen, Andreas Osterman, (unknown), Maximilian Muenchhoff, Paul R. Wratil, Alexander Graf, Stefan Krebs, (unknown), (unknown), Béatrice Grabein, Kristina Adorjan, Helmut Blum, Oliver T. Keppler, Matthias Klein	17
12	Persistence of functional memory B cells recognizing SARS-CoV-2 variants despite loss of specific IgG 2021 ·iScience ·Stephan Winklmeier, Katharina Eisenhut, (unknown), Heike Rübsamen, Ramona Gerhards, Céline Schneider, Paul R. Wratil, Marcel Stern, Peter Eichhorn, Oliver T. Keppler, Matthias Klein, Simone Mader, Tania Kümpfel, Edgar Meinl	20
13	Diagnostic potential of circulating cell‐free microRNAs for community‐acquired pneumonia and pneumonia‐related sepsis 2020 ·Journal of Cellular and Molecular Medicine ·Stefanie Hermann, Florian Brandes, Benedikt Kirchner, Dominik Buschmann, (unknown), Matthias Klein, (unknown), Michael Bonin, Marlene Reithmair, Inès Kaufmann, Gustav Schelling, Michael W. Pfaffl	29
14	Idarucizumab administration in emergency situations: the Munich Registry of Reversal of Pradaxa® in clinical routine (MR REPAIR) 2019 ·Journal of Neurology ·Clemens Küpper, Katharina Feil, Matthias Klein, Regina Feuerecker, (unknown), (unknown), Dennis W. Dietrich, (unknown), (unknown), Martin Marziniak, Holger Poppert, Silke Wunderlich, Helge Topka, Marianne Dieterich, Lars Kellert	15
15	Neurological infections in 2019: challenges, solutions, and open questions 2019 ·The Lancet Neurology ·Uwe Koedel, Matthias Klein, Hans Walter Pfister	1
16	Bioccipital Lobe Hypoperfusion and Anton's Syndrome Resolution with Intravenous Thrombolysis 2018 ·Journal of Stroke and Cerebrovascular Diseases ·Lukas T. Rotkopf, Wolfgang G. Kunz, Felix G. Meinel, Annika Plate, (unknown), Matthias Klein, Kolja M. Thierfelder	1
17	Diagnostic value of cerebrospinal fluid CXCL13 for acute Lyme neuroborreliosis. A systematic review and meta-analysis 2018 ·Clinical Microbiology and Infection ·Tobias A. Rupprecht, Kirsi Manz, Volker Fingerle, Christian Lechner, Matthias Klein, Markus Pfirrmann, Uwe Koedel	73
18	The chemokine CXCL13 is a key regulator of B cell recruitment to the cerebrospinal fluid in acute Lyme neuroborreliosis 2009 ·Journal of Neuroinflammation ·Tobias A. Rupprecht, Andreas Plate, (unknown), (unknown), Stefan Kastenbauer, Caroline Schmidt, Matthias Klein, Hans‐Walter Pfister, Uwe Koedel	106
19	Complement C1q and C3 Are Critical for the Innate Immune Response to Streptococcus pneumoniae in the Central Nervous System 2007 ·The Journal of Immunology ·Tobias A. Rupprecht, Barbara Angele, Matthias Klein, (unknown), Hans‐Walter Pfister, Marina Botto, Uwe Koedel	70
20	Die seltene Fehlbildung der Nasenaplasie 2006 ·Mund- Kiefer- und Gesichtschirurgie ·Chie Hee Cho, Mehdi Shakibaei, H. J. Merker, Matthias Klein	2

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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