Karen Stefonek

2.6k total citations · 1 hit paper
13 papers, 1.9k citations indexed

About

Karen Stefonek is a scholar working on Public Health, Environmental and Occupational Health, Epidemiology and Infectious Diseases. According to data from OpenAlex, Karen Stefonek has authored 13 papers receiving a total of 1.9k indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Public Health, Environmental and Occupational Health, 7 papers in Epidemiology and 3 papers in Infectious Diseases. Recurrent topics in Karen Stefonek's work include Streptococcal Infections and Treatments (7 papers), Pneumonia and Respiratory Infections (6 papers) and Neonatal and Maternal Infections (6 papers). Karen Stefonek is often cited by papers focused on Streptococcal Infections and Treatments (7 papers), Pneumonia and Respiratory Infections (6 papers) and Neonatal and Maternal Infections (6 papers). Karen Stefonek collaborates with scholars based in United States. Karen Stefonek's co-authors include Lee H. Harrison, Anne Schuchat, Elizabeth R. Zell, Monica M. Farley, Arthur Reingold, Lewis B. Lefkowitz, Ruth Lynfield, Allen S. Craig, Stephanie J. Schrag and Kathryn E. Arnold and has published in prestigious journals such as New England Journal of Medicine, SHILAP Revista de lepidopterología and Clinical Infectious Diseases.

In The Last Decade

Karen Stefonek

13 papers receiving 1.8k citations

Hit Papers

Active Bacterial Core Sur... 2001 2026 2009 2017 2001 100 200 300 400 500
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.

  1. Active Bacterial Core Surveillance of the Emerging Infections Program Network
    2001 501 citations Anne Schuchat, Elizabeth R. Zell et al. Emerging infectious diseases profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Karen Stefonek United States 12 1.3k 1.0k 349 315 162 13 1.9k
Tracy Pondo United States 18 1.1k 0.9× 1.3k 1.3× 239 0.7× 309 1.0× 108 0.7× 29 1.9k
Katherine L. Henderson United Kingdom 17 608 0.5× 531 0.5× 116 0.3× 286 0.9× 54 0.3× 31 1.1k
F. de La Rocque France 22 926 0.7× 370 0.4× 432 1.2× 340 1.1× 28 0.2× 70 1.4k
Ryan George United Kingdom 20 981 0.8× 370 0.4× 360 1.0× 531 1.7× 41 0.3× 29 1.5k
Herbert W. Clegg United States 12 728 0.6× 909 0.9× 122 0.3× 792 2.5× 83 0.5× 22 1.7k
C. Doit France 27 974 0.8× 687 0.7× 423 1.2× 534 1.7× 18 0.1× 89 2.0k
María Hortal Uruguay 22 1.2k 1.0× 205 0.2× 381 1.1× 444 1.4× 46 0.3× 54 1.5k
Catherine Lexau United States 15 3.7k 2.9× 423 0.4× 1.6k 4.7× 558 1.8× 117 0.7× 19 4.3k
César Garcı́a-Rey Spain 21 1.2k 0.9× 222 0.2× 293 0.8× 299 0.9× 32 0.2× 41 1.6k
Claudia Turner United Kingdom 22 704 0.5× 319 0.3× 195 0.6× 167 0.5× 40 0.2× 54 1.3k

Countries citing papers authored by Karen Stefonek

Since Specialization
Citations

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

Fields of papers citing papers by Karen Stefonek

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karen Stefonek

This figure shows the co-authorship network connecting the top 25 collaborators of Karen Stefonek. A scholar is included among the top collaborators of Karen Stefonek 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 Karen Stefonek. Karen Stefonek is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

13 of 13 papers shown
1.
Skoff, Tami H., Monica M. Farley, Susan Petit, et al.. (2009). Increasing Burden of Invasive Group B Streptococcal Disease in Nonpregnant Adults, 1990–2007. Clinical Infectious Diseases. 49(1). 85–92. 347 indexed citations
2.
Harrison, Lee H., Kathleen A. Shutt, Nancy E. Messonnier, et al.. (2008). Risk Factors for Meningococcal Disease in Students in Grades 9–12. The Pediatric Infectious Disease Journal. 27(3). 193–199. 28 indexed citations
3.
Kimura, Akiko, Kammy R. Johnson, Mary S. Palumbo, et al.. (2004). Multistate Shigellosis Outbreak and Commercially Prepared Food, United States. Emerging infectious diseases. 10(6). 1147–1149. 29 indexed citations
4.
Schrag, Stephanie J., Kathryn E. Arnold, Janet C. Mohle‐Boetani, et al.. (2003). Prenatal Screening for Infectious Diseases and Opportunities for Prevention. Obstetrics and Gynecology. 102(4). 753–760. 21 indexed citations
5.
Schrag, Stephanie J., Elizabeth R. Zell, Ruth Lynfield, et al.. (2003). A Population-Based Comparison of Strategies to Prevent Early-Onset Group B Streptococcal Disease in Neonates. Obstetrical & Gynecological Survey. 58(1). 6–8. 46 indexed citations
6.
Robinson, Katherine A., Gretchen Rothrock, Quyen Phan, et al.. (2003). Risk for Severe Group A Streptococcal Disease among Patients’ Household Contacts. Emerging infectious diseases. 9(4). 443–447. 43 indexed citations
7.
Schrag, Stephanie J., Elizabeth R. Zell, Ruth Lynfield, et al.. (2002). A Population-Based Comparison of Strategies to Prevent Early-Onset Group B Streptococcal Disease in Neonates. New England Journal of Medicine. 347(4). 233–239. 420 indexed citations
8.
Schuchat, Anne, Elizabeth R. Zell, Monica M. Farley, et al.. (2001). Active Bacterial Core Surveillance of the Emerging Infections Program Network. SHILAP Revista de lepidopterología. 12 indexed citations
9.
Stefonek, Karen. (2001). Group A streptococcal puerperal sepsis preceded by positive surveillance cultures1 , *1. Obstetrics and Gynecology. 98(5). 846–848. 19 indexed citations
10.
Schuchat, Anne, Elizabeth R. Zell, Monica M. Farley, et al.. (2001). Active Bacterial Core Surveillance of the Emerging Infections Program Network. Emerging infectious diseases. 7(1). 92–99. 501 indexed citations breakdown →
11.
Stefonek, Karen, et al.. (2001). Group A Streptococcal Puerperal Sepsis Preceded by Positive Surveillance Cultures. Obstetrics and Gynecology. 98(5, Part 1). 846–848. 8 indexed citations
12.
Feikin, Daniel R., Anne Schuchat, MARGARETTE S. KOLCZAK, et al.. (2000). Mortality from invasive pneumococcal pneumonia in the era of antibiotic resistance, 1995-1997. American Journal of Public Health. 90(2). 223–229. 444 indexed citations
13.
Hedberg, Katrina, et al.. (1999). Tracking Drug-Resistant Streptococcus pneumoniae in Oregon: An Alternative Surveillance Method. Emerging infectious diseases. 5(5). 681–693. 23 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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