Alexander J. Kallen

10.9k citations

101 papers · 6.3k indexed · 4 hit papers · h-index 36

Applied Microbiology and Biotechnology top 0.05%
- Antibiotic Use and Resistance 26
Molecular Medicine top 0.05%
- Antibiotic Resistance in Bacteria 34
Clinical Biochemistry top 0.2%
- Bacterial Identification and Susceptibility Testing 33
Endocrinology top 0.5%
- Enterobacteriaceae and Cronobacter Research 9
Infectious Diseases top 0.5%
- Antimicrobial Resistance in Staphylococcus 25
Emergency Medical Services
- Central Venous Catheters and Hemodialysis 13
Public Health, Environmental and Occupational Health
- Streptococcal Infections and Treatments 8
Critical Care and Intensive Care Medicine
- Nosocomial Infections in ICU 8

Co-authors: Brandi Limbago Jean B. Patel Neil Gupta Jonathan R. Edwards Lindsey M. Weiner Margaret A. Dudeck Amy Webb Dawn Sievert
Cited by: Applied Microbiology and Biotechnology Molecular Medicine Clinical Biochemistry
Journals: JAMA (1 paper)SHILAP Revista de lepidopterología (1 paper)Annals of Internal Medicine (1 paper)
Partner nations: United States Switzerland Tanzania

In The Last Decade

Alexander J. Kallen

98 papers receiving 6.1k citations

Hit Papers

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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.

2019 Infection Control and Hospital Epidemiology
2016 Infection Control and Hospital Epidemiology
2014 Infection Control and Hospital Epidemiology
2011 Clinical Infectious Diseases

Peers

Countries citing papers authored by Alexander J. Kallen

Since Specialization

Citations

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

Fields of papers citing papers by Alexander J. Kallen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

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

All Works

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20 of 20 papers shown

#	Work
1	Healthcare-associated Stenotrophomonas maltophilia infections in the United States, 2018–2022 SHILAP Revista de lepidopterología ·Amelia A. Keaton,Lucy Fike,Kevin B. Spicer,Alexander J. Kallen,Kiran M. Perkins	2023	0
2	Antimicrobial-resistant pathogens associated with adult healthcare-associated infections: Summary of data reported to the National Healthcare Safety Network, 2015–2017breakdown → Infection Control and Hospital Epidemiology ·Lindsey M. Weiner,Sheila Abner,Jonathan R. Edwards,Alexander J. Kallen,Maria Karlsson,Shelley S. Magill,Daniel A. Pollock,Isaac See,Minn Soe,Maroya Spalding Walters,Margaret A. Dudeck	2019	458
3	Hospital microbiology laboratory practices for Enterobacteriaceae: Centers for Disease Control and Prevention National Healthcare Safety Network (NHSN) annual survey, 2015 and 2016 Infection Control and Hospital Epidemiology ·Alicia Shugart,Maroya Spalding Walters,Lindsey M. Weiner,David Lonsway,Alexander J. Kallen	2018	10
4	Notes from the Field : Pan-Resistant New Delhi Metallo-Beta-Lactamase-Producing Klebsiella pneumoniae — Washoe County, Nevada, 2016 MMWR Morbidity and Mortality Weekly Report ·Lei Chen,Randall L. Todd,Julia A. Kiehlbauch,Maroya Spalding Walters,Alexander J. Kallen	2017	126
5	Policies for Controlling Multidrug-Resistant Organisms in US Healthcare Facilities Reporting to the National Healthcare Safety Network, 2014 Infection Control and Hospital Epidemiology ·Lindsey M. Weiner,Amy Webb,Maroya Spalding Walters,Margaret A. Dudeck,Alexander J. Kallen	2016	13
6	Outbreak ofPantoea agglomeransBloodstream Infections at an Oncology Clinic—Illinois, 2012-2013 Infection Control and Hospital Epidemiology ·Brian Yablon,Raymund Dantes,Victoria Tsai,Rachel Lim,Heather Moulton-Meissner,Matthew J. Arduino,Bette Jensen,Megan T. Patel,Michael O. Vernon,Yoran Grant-Greene,Demian Christiansen,Craig Conover,Alexander J. Kallen,Alice Guh	2016	32
7	Factors associated with the receipt of antimicrobials among chronic hemodialysis patients American Journal of Infection Control ·Graham M. Snyder,Priti R. Patel,Alexander J. Kallen,James A. Strom,John K. Tucker,Erika M. C. D’Agata	2016	11
8	Thirty-Day Laboratory-Based Surveillance for Carbapenem-Resistant Enterobacteriaceae in the Minneapolis-St. Paul Metropolitan Area Infection Control and Hospital Epidemiology ·Edwin C. Pereira,Kristin M. Shaw,Paula M. Snippes Vagnone,Jane Harper,Alexander J. Kallen,Brandi Limbago,Ruth Lynfield	2014	2
9	Clonally related Burkholderia contaminans among ventilated patients without cystic fibrosis American Journal of Infection Control ·Amy Peterson,Amit S. Chitnis,Nan Xiang,Joseph Scaletta,Robert L. Geist,Jennifer E. Schwartz,Jamie DeMent,Elizabeth Lawlor,John J. LiPuma,Heather O’Connell,Judith Noble‐Wang,Alexander J. Kallen,D. Charles Hunt	2013	14
10	Decolonization to Prevent Infections with Staphylococcus aureus in Patients Undergoing Hemodialysis: A Review of Current Evidence Seminars in Dialysis ·Alexander J. Kallen,John A. Jernigan,Priti R. Patel	2011	14
11	Current Practice in Staphylococcus aureus Screening and Decolonization Infection Control and Hospital Epidemiology ·Daniel J. Diekema,Birgir Jóhannsson,Loreen A. Herwaldt,Susan E. Beekmann,John A. Jernigan,Alexander J. Kallen,Sandra I. Berríos-Torres,Philip M. Polgreen	2011	26
12	Outbreaks of 2009 pandemic influenza A (H1N1) among long-term-care facility residents - three states, 2009. MMWR Morbidity and Mortality Weekly Report ·Wendy Bamberg,N. Finkner,D. Guppy,Debra Simmerly,Ernest J. Clement,Stephen Kogut,Joshua K. Schaffzin,Alyssa Fiore,Arjun Srinivasan,Neil Stone,Alexander J. Kallen,Susan Hocevar	2010	26
13	Bacterial meningitis after intrapartum spinal anesthesia - New York and Ohio, 2008-2009. MMWR Morbidity and Mortality Weekly Report ·Sietske de Fijter,Mary DiOrio,J. Carmean,Joshua K. Schaffzin,M. Quinn,Kimberlee A. Musser,Elizabeth Nazarian,Matthew T. Moore,Bernard Beall,Robert E. Gertz,Alexander J. Kallen,C. Kim,Jennie Ozog Duffy	2010	24
14	Current Epidemiology of Multidrug-Resistant Gram-Negative Bacilli in the United States Infection Control and Hospital Epidemiology ·Alexander J. Kallen,Arjun Srinivasan	2010	56
15	Clinical Incidence of Methicillin-Resistant Staphylococcus aureus (MRSA) Colonization or Infection as a Proxy Measure for MRSA Transmission in Acute Care Hospitals Infection Control and Hospital Epidemiology ·Pei-Jean Feng,Alexander J. Kallen,Katherine Ellingson,Robert R. Muder,Rajiv Jain,John A. Jernigan	2010	10
16	Preventing Catheter‐Related Bloodstream Infections outside the Intensive Care Unit: Expanding Prevention to New Settings Clinical Infectious Diseases ·Alexander J. Kallen,Priti R. Patel,Naomi P. O’Grady	2010	74
17	Staphylococcus aureus community-onset pneumonia in patients admitted to children's hospitals during autumn and winter of 2006–2007 Epidemiology and Infection ·Alexander J. Kallen,Carrie Reed,Mary Lou Patton,Kathryn E. Arnold,L. Finelli,Jeffrey Hageman	2009	21
18	Complete Restriction of Fluoroquinolone Use to Control an Outbreak ofClostridium difficileInfection at a Community Hospital Infection Control and Hospital Epidemiology ·Alexander J. Kallen,Angela Thompson,Polly Ristaino,Leigh Chapman,Ainsley Nicholson,Bich-Thuy Sim,Fernanda C. Lessa,Umid Sharapov,Elaine Fadden,Richard Boehler,Carolyn Gould,Brandi Limbago,David Blythe,L. Clifford McDonald	2009	69
19	Bloodstream Infections in Patients Given Treatment With Intravenous Prostanoids Infection Control and Hospital Epidemiology ·Alexander J. Kallen,Edith Lederman,Alexandra B. Balaji,Ingrid Trevino,Emily E. Petersen,Rivka L. Shoulson,Lisa Saiman,Evelyn M. Horn,Mardi Gomberg‐Maitland,Robyn J. Barst,Arjun Srinivasan	2008	74
20	Fatal Group B Streptococcal Meningitis in a Previously Healthy Young Adult Clinical Infectious Diseases ·Anthony Barile,Alexander J. Kallen,Mark R. Wallace	1999	12

About Alexander J. Kallen

Alexander J. Kallen is a scholar working on Applied Microbiology and Biotechnology, Molecular Medicine and Clinical Biochemistry, having authored 101 papers that have together received 6.3k indexed citations. Recurring topics across this work include Antibiotic Resistance in Bacteria (34 papers), Bacterial Identification and Susceptibility Testing (33 papers), Antibiotic Use and Resistance (26 papers), Antimicrobial Resistance in Staphylococcus (25 papers), Central Venous Catheters and Hemodialysis (13 papers), Enterobacteriaceae and Cronobacter Research (9 papers), Streptococcal Infections and Treatments (8 papers) and Nosocomial Infections in ICU (8 papers). The work is most often cited by research in Applied Microbiology and Biotechnology (1.1k citations), Molecular Medicine (2.5k citations) and Clinical Biochemistry (1.2k citations). Alexander J. Kallen has collaborated with scholars based in United States, Switzerland and Tanzania. Frequent co-authors include Brandi Limbago, Jean B. Patel, Neil Gupta, Jonathan R. Edwards, Lindsey M. Weiner, Margaret A. Dudeck, Amy Webb, Dawn Sievert, Priti R. Patel and Maroya Spalding Walters. Their work appears in journals such as JAMA, SHILAP Revista de lepidopterología and Annals of Internal Medicine.

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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