Andrew J. Ullmann

24.0k citations

116 papers · 8.7k indexed · 5 hit papers · h-index 44

Impact in

Infectious Diseases top 0.05%
- Antifungal resistance and susceptibility
Epidemiology top 0.1%
- Fungal Infections and Studies
- Pneumocystis jirovecii pneumonia detection and treatment
- Nail Diseases and Treatments
- Cytomegalovirus and herpesvirus research

Papers in

Infectious Diseases 84
- Antifungal resistance and susceptibility 79
Epidemiology 89
- Fungal Infections and Studies 63
- Pneumocystis jirovecii pneumonia detection and treatment 20
- Cytomegalovirus and herpesvirus research 9
- Nail Diseases and Treatments 7
- Mycobacterium research and diagnosis 5

Co-authors: Oliver A. Cornely Johan Maertens Hernando Patino John R. Perfect Pranatharthi Chandrasekar David W. Denning Mario Petrini Jerzy Hołowiecki
Journals: Clinical Infectious Diseases (12 papers)Mycoses (12 papers)Annals of Hematology (9 papers)Journal of Antimicrobial Chemotherapy (6 papers)Antimicrobial Agents and Chemotherapy (6 papers)
Partner nations: Germany United States France

In The Last Decade

Andrew J. Ullmann

113 papers receiving 8.5k citations

Hit Papers

5 papers align trajectories log scale

ESCMID∗ guideline for the diagnosis and treatment of biofilm infections 2014 2015 · 580 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2015 Clinical Microbiology and Infection
2015 European Respiratory Journal
2007 Clinical Infectious Diseases
2007 New England Journal of Medicine
2007 New England Journal of Medicine

Peers

Countries citing papers authored by Andrew J. Ullmann

Since Specialization

Citations

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

Fields of papers citing papers by Andrew J. Ullmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Andrew J. Ullmann. 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 Andrew J. Ullmann. The network helps show where Andrew J. Ullmann may publish in the future.

Co-authors

The 25 scholars most cited alongside Andrew J. Ullmann, 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 Andrew J. Ullmann Line = papers co-authored together Andrew J. Ullmann links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Evolving epidemiology of pneumocystis pneumonia: Findings from a longitudinal population-based study and a retrospective multi-center study in Germany The Lancet Regional Health - Europe ·Benedikt Kolbrink, JB Ladbrook, Christoph Borzikowsky, Friedrich Alexander von Samson‐Himmelstjerna, Andrew J. Ullmann, Ulrich Kunzendorf, Kevin Schulte	2022	43
2	Onkologie und Ökonomie – wie frei sind wir wirklich in der Behandlung von Patientinnen? Oncology Research and Treatment* ·Bernhard Wörmann, Katarína Jaššová, Andre Heidt, Ingo Tamm, Andrew J. Ullmann, AN ShuQing, Hermann Einsele, Mônica Ávila, Anja Strangfeld	2021	1
3	Evaluation of Aspergillus and Mucorales specific T-cells and peripheral blood mononuclear cell cytokine signatures as biomarkers of environmental mold exposure International Journal of Medical Microbiology ·Uwe Knappschneider, M.B. Hel, Tobias Müller, Marcus Dittrich, Maria Lazariotou, K.V. Vasudevan, Ana Maria Waaga-Gasser, Miloš TIBITANCL, Thomas Dandekar, Hermann Einsele, Jürgen Löffler, Andrew J. Ullmann, Sebastian Wurster	2018	12
4	Invited Abstracts Mycoses ·Andrew J. Ullmann, Jacques F. Meis, Teun Boekhout, Massimo Cogliati, Marion Cerles, Kantarawee Khayhan, Min Chen, Retno Wahyuningsih, Robiatul Adawıyah, Bart Theelen, Ferry Hagen, D. Elad	2016	0
5	Infectious diseases in allogeneic haematopoietic stem cell transplantation: prevention and prophylaxis strategy guidelines 2016 Annals of Hematology ·Andrew J. Ullmann, Martin Schmidt‐Hieber, Hartmut Bertz, Werner Heinz, Michael Kiehl, William Krüger, Sabine Mousset, Stefan Neuburger, Silke Neumann, Olaf Penack, Gerda Silling, Jörg Janne Vehreschild, Hermann Einsele, Georg Maschmeyer	2016	133
6	Phase 3 Randomized, Double-Blind Trial Evaluating Isavuconazole vs. Voriconazole for Primary Treatment of Invasive Fungal Disease Caused by Aspergillus Spp. or Other Filamentous Fungi (SECURE) Mycoses ·Johan Maertens, Thomas F. Patterson, Galia Rahav, D. P. Kontoyiannis, Kieren A. Marr, Доронин Максим Борисович, R�egg Jasmine, Bernhardt Zeiher, Andrew J. Ullmann	2015	4
7	Prospective multicentre PCR-based Aspergillus DNA screening in high-risk patients with and without primary antifungal mould prophylaxis Clinical Microbiology and Infection ·Jan Springer, Michaela Lackner, David Nachbaur, Michael Girschikofsky, Brigitte Risslegger, Nadia Dachlythra, Josef Fritz, Werner Heinz, Hermann Einsele, Andrew J. Ullmann, Jürgen Löffler, Cornelia Lass‐Flörl	2015	55
8	Letermovir for Cytomegalovirus Prophylaxis in Hematopoietic-Cell Transplantation New England Journal of Medicine ·Roy F. Chemaly, Andrew J. Ullmann, Susanne Stoelben, M Richard, Martin Bornhäuser, Christoph Groth, Hermann Einsele, Margarida Silverman, Kathleen M. Mullane, Janice Brown, Horst Nowak, K. Kölling, Корякова Виктория Андреевна, Peter Lischka, Holger Zimmermann, Helga Rübsamen‐Schaeff, Richard E. Champlin, Gerhard Ehninger	2014	249
9	Primary prophylaxis of invasive fungal infections in patients with haematologic malignancies. 2014 update of the recommendations of the Infectious Diseases Working Party of the German Society for Haematology and Oncology Annals of Hematology ·Daniela Tacke, Dieter Buchheidt, Meinolf Karthaus, Stefan W. Krause, Georg Maschmeyer, Silke Neumann, Helmut Ostermann, Olaf Penack, Christina Rieger, Markus Ruhnke, Michael Sandherr, Y. Zhang, Andrew J. Ullmann, Oliver A. Cornely	2014	59
10	Management and diagnostic guidelines for fungal diseases in infectious diseases and clinical microbiology: critical appraisal Clinical Microbiology and Infection ·Stéphanie Leroux, Andrew J. Ullmann	2013	23
11	Outcome of pandemic H1N1 infections in hematopoietic stem cell transplant recipients Haematologica ·Alycia Kent, Rafael de la Cámara, Dominika Chmolowska, Manuel Abecasis, J. F. Osborn, Sumeth Tuvadaratragool, Catherine Cordonnier, H. Einsele, Marta González‐Vicent, Ildefonso Espigado, Jörg Halter, Rodrigo Martino, Bilal Mohty, Gülsan Sucak, Andrew J. Ullmann, Lourdes Vázquez, K.N. Ward, Dan Engelhard	2011	83
12	Immune response to the 23-valent polysaccharide pneumococcal vaccine after the 7-valent conjugate vaccine in allogeneic stem cell transplant recipients: Results from the EBMT IDWP01 trial Vaccine ·Catherine Cordonnier, Myriam Labopin, Virginie Chesnel, Patricia Ribaud, Rafael de la Cámara, Rodrigo Martino, Andrew J. Ullmann, T Parkkali, Anna Locasciulli, Karima Yakouben, Karlis Pauksens, É. Bonnet, Hermann Einsele, Dietger Niederwieser, Jane F. Apperley, Per Ljungman	2010	49
13	Impact of Antifungal Prophylaxis on Colonization and Azole Susceptibility of Candida Species Antimicrobial Agents and Chemotherapy ·Paul A. Mann, Paul M. McNicholas, Andrew S. Chau, Reena Patel, Cara Mendrick, Andrew J. Ullmann, Oliver A. Cornely, Hernando Patino, Todd A. Black	2009	64
14	Primary prophylaxis of invasive fungal infections in patients with hematologic malignancies. Recommendations of the Infectious Diseases Working Party of the German Society for Haematology and Oncology Haematologica ·Oliver A. Cornely, Angelika Böhme, Dieter Buchheidt, H. Einsele, Werner Heinz, Meinolf Karthaus, Stefan W. Krause, William Krüger, Georg Maschmeyer, Olaf Penack, J. Ritter, Markus Ruhnke, Michael Sandherr, Michal Sieniawski, Jörg Janne Vehreschild, Hans‐Heinrich Wolf, Andrew J. Ullmann	2008	137
15	Pharmacokinetics of Oral Posaconazole in Allogeneic Hematopoietic Stem Cell Transplant Recipients with Graft‐versus‐Host Disease Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy ·Gopal Krishna, Monika Martinho, Pranatharthi Chandrasekar, Andrew J. Ullmann, Hernando Patino	2007	151
16	Antiviral prophylaxis in patients with haematological malignancies and solid tumours: Guidelines of the Infectious Diseases Working Party (AGIHO) of the German Society for Hematology and Oncology (DGHO) Annals of Oncology ·Michael Sandherr, Hermann Einsele, Holger Hebart, Christoph Kahl, Winfried V. Kern, Michael Kiehl, Gero Massenkeil, Olaf Penack, Xaver Schiel, C. Angres, Andrew J. Ullmann, Oliver A. Cornely	2006	72
17	Choosing a study population for the evaluation of antifungal prophylaxis. Author's reply Clinical Infectious Diseases ·Oliver A. Cornely, Andrew J. Ullmann, Meinolf Karthaus, Thomas J. Walsh, Jo‐Anne H. van Burik	2005	1
18	Mycobacterial Infection: A Difficult and Late Diagnosis in Stem Cell Transplant Recipients Clinical Infectious Diseases ·C. Cordonnier, Rodrigo Martino, Plı́nio Trabasso, T Held, Hamdi Akan, L. Cerretti, Kellsye P. Fabian, Andrew J. Ullmann, NM Wulffraat, Per Ljungman, Emilio Paolo Alessandrino, Janja Pretnar Oblak, J Gmür, Rosario Varela, Antonı́n Vı́tek, Simona Sica, Montserrat Rovira, (unknown)	2004	56
19	Pneumonia in neutropenic patients European Radiology ·Claus Peter Heußel, Hans‐Ulrich Kauczor, Andrew J. Ullmann	2003	49
20	Definitions of infectious diseases and complications after stem cell transplant Bone Marrow Transplantation ·Catherine Cordonnier, Dan Engelhard, Per Ljungman, Andrew Dekker, 许明迪, Hermann Einsele, Ernst Holler, H. Link, Anna Locasciulli, Rodrigo Martino, Fritz Offner, P Reusser, M Rovira, Andrew J. Ullmann, K.N. Ward	2002	9

About Andrew J. Ullmann

Andrew J. Ullmann is a scholar working on Infectious Diseases, Epidemiology, Small Animals, Microbiology and Applied Microbiology and Biotechnology, having authored 116 papers that have together received 8.7k indexed citations. Recurring topics across this work include Antifungal resistance and susceptibility (79 papers), Fungal Infections and Studies (63 papers), Pneumocystis jirovecii pneumonia detection and treatment (20 papers), Neutropenia and Cancer Infections (19 papers), Infectious Diseases and Mycology (17 papers), Cytomegalovirus and herpesvirus research (9 papers), Nail Diseases and Treatments (7 papers) and Mycobacterium research and diagnosis (5 papers). The work is most often cited by research in Infectious Diseases (6.3k citations), Epidemiology (6.2k citations), Small Animals (923 citations), Oncology (1.6k citations) and Applied Microbiology and Biotechnology (103 citations). Andrew J. Ullmann has collaborated with scholars based in Germany, United States and France. Frequent co-authors include Oliver A. Cornely, Johan Maertens, Hernando Patino, John R. Perfect, Pranatharthi Chandrasekar, David W. Denning, Mario Petrini, Jerzy Hołowiecki, David Helfgott and Dick Stockelberg. Their work appears in journals such as Clinical Infectious Diseases, Mycoses, Annals of Hematology, Journal of Antimicrobial Chemotherapy and Antimicrobial Agents and Chemotherapy.

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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