Karen H. Keddy

9.2k total citations · 2 hit papers
82 papers, 3.4k citations indexed

About

Karen H. Keddy is a scholar working on Food Science, Endocrinology and Infectious Diseases. According to data from OpenAlex, Karen H. Keddy has authored 82 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Food Science, 48 papers in Endocrinology and 38 papers in Infectious Diseases. Recurrent topics in Karen H. Keddy's work include Salmonella and Campylobacter epidemiology (51 papers), Vibrio bacteria research studies (31 papers) and Viral gastroenteritis research and epidemiology (31 papers). Karen H. Keddy is often cited by papers focused on Salmonella and Campylobacter epidemiology (51 papers), Vibrio bacteria research studies (31 papers) and Viral gastroenteritis research and epidemiology (31 papers). Karen H. Keddy collaborates with scholars based in South Africa, United States and United Kingdom. Karen H. Keddy's co-authors include John A. Crump, Frederick J. Angulo, Anthony M. Smith, Paul R. Torgerson, Brecht Devleesschauwer, Arie H. Havelaar, Dörte Döpfer, Sara M. Pires, Aron J. Hall and Christa Fischer-Walker and has published in prestigious journals such as The Lancet, Nature Communications and SHILAP Revista de lepidopterología.

In The Last Decade

Karen H. Keddy

81 papers receiving 3.3k 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.

World Health Organization Estimates of the Global and Regional Disease Burden of 22 Foodborne Bacterial, Protozoal, and Viral Diseases, 2010: A Data Synthesis

2015 1.2k citations Sara M. Pires, Karen H. Keddy et al. profile →
Global Burden of Invasive NontyphoidalSalmonellaDisease, 20101

2015 345 citations Nicholas Feasey, Melita A. Gordon 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						Papers	Cites
Karen H. Keddy South Africa	25	1.9k	1.4k	1.3k	523	392	82	3.4k
Jennie Musto Australia	15	1.9k 1.0×	820 0.6×	883 0.7×	365 0.7×	335 0.9×	36	2.5k
Goutam K. Adak United Kingdom	31	2.0k 1.0×	2.3k 1.7×	1.6k 1.3×	215 0.4×	358 0.9×	59	4.1k
Orhan Şahin United States	32	2.5k 1.3×	1.6k 1.2×	576 0.5×	697 1.3×	530 1.4×	120	3.7k
Hein Imberechts Belgium	30	1.5k 0.8×	751 0.5×	1.0k 0.8×	677 1.3×	588 1.5×	72	3.2k
Sara M. Pires Denmark	32	2.3k 1.2×	1.4k 1.0×	671 0.5×	215 0.4×	578 1.5×	103	4.3k
Jørgen Engberg Denmark	30	3.1k 1.6×	2.3k 1.7×	731 0.6×	430 0.8×	301 0.8×	76	4.1k
Shanta Dutta India	32	1.2k 0.6×	1.5k 1.1×	1.4k 1.1×	778 1.5×	568 1.4×	279	3.8k
Nicholas Feasey United Kingdom	33	2.0k 1.0×	1.5k 1.1×	1.4k 1.1×	987 1.9×	542 1.4×	122	4.6k
Melissa Tobin‐D’Angelo United States	25	2.1k 1.1×	1.3k 0.9×	1.0k 0.8×	215 0.4×	374 1.0×	42	3.3k
Cindy R. Friedman United States	24	2.4k 1.2×	1.4k 1.0×	639 0.5×	559 1.1×	289 0.7×	52	3.7k

Countries citing papers authored by Karen H. Keddy

Since Specialization

Citations

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

Fields of papers citing papers by Karen H. Keddy

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Karen H. Keddy

This figure shows the co-authorship network connecting the top 25 collaborators of Karen H. Keddy. A scholar is included among the top collaborators of Karen H. Keddy 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 H. Keddy. Karen H. Keddy 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

Keddy, Karen H., Sandra Hoffmann, Luria Leslie Founou, et al.. (2025). Quantifying national burdens of foodborne disease—Four imperatives for global impact. PLOS Global Public Health. 5(4). e0004309–e0004309. 1 indexed citations

Chattaway, Marie Anne, Hassan Hartman, Timothy J. Dallman, et al.. (2024). A One Health Perspective on Salmonella enterica Serovar Infantis, an Emerging Human Multidrug-Resistant Pathogen. Emerging infectious diseases. 30(4). 701–710. 23 indexed citations

Keddy, Karen H. & Birkneh Tilahun Tadesse. (2024). Inaccessible: health, wealth, governance, and equity in low-income and middle-income countries. The Lancet Infectious Diseases. 24(5). 444–445. 1 indexed citations

Smith, Anthony M., Karen H. Keddy, Emma J. Manners, et al.. (2022). Genetic characterization of Salmonella Infantis from South Africa, 2004–2016. Access Microbiology. 4(7). acmi000371–acmi000371. 4 indexed citations

Adesiyun, Abiodun A., et al.. (2021). Prevalence and patterns of fecal shedding of Shiga toxin–producing Escherichia coli by cattle at a commercial feedlot in South Africa. Journal of Food Safety. 42(2). 4 indexed citations

Adesiyun, Abiodun A., et al.. (2020). Shiga Toxin–Producing Escherichia coli Contamination of Raw Beef and Beef-Based Ready-to-Eat Products at Retail Outlets in Pretoria, South Africa. Journal of Food Protection. 83(3). 476–484. 18 indexed citations

McAnerney, Jo, Cheryl Cohen, Adam L. Cohen, et al.. (2019). Healthcare utilisation patterns for respiratory and gastrointestinal syndromes and meningitis in Msunduzi municipality, Pietermaritzburg, KwaZulu-Natal Province, South Africa, 2013. South African Medical Journal. 109(5). 333–333. 9 indexed citations

Smith, Anthony M., et al.. (2017). Investigation of Salmonella Enteritidis outbreaks in South Africa using multi-locus variable-number tandem-repeats analysis, 2013-2015. BMC Infectious Diseases. 17(1). 661–661. 36 indexed citations

Keddy, Karen H., Alfred Musekiwa, Arvinda Sooka, et al.. (2017). Clinical and microbiological features of invasive nontyphoidal Salmonella associated with HIV-infected patients, Gauteng Province, South Africa. Medicine. 96(13). e6448–e6448. 19 indexed citations

10.

Ryan, Peter G., et al.. (2017). Seabirds (Laridae) as a source of Campylobacte r spp., Salmonella spp. and antimicrobial resistance in South Africa. Environmental Microbiology. 19(10). 4164–4176. 41 indexed citations

11.

Keddy, Karen H., Arvinda Sooka, Anthony M. Smith, et al.. (2016). Typhoid Fever in South Africa in an Endemic HIV Setting. PLoS ONE. 11(10). e0164939–e0164939. 13 indexed citations

12.

Keddy, Karen H.. (2015). “Safety is just a thing men take for granted”: Teaching a Spatial Vocabulary of Equality to Architecture Students. SHILAP Revista de lepidopterología. 37(1). 39–53. 2 indexed citations

13.

Magwedere, Kudakwashe, et al.. (2015). Incidence of NontyphoidalSalmonellain Food-Producing Animals, Animal Feed, and the Associated Environment in South Africa, 2012–2014. Clinical Infectious Diseases. 61(suppl 4). S283–S289. 49 indexed citations

14.

Smith, Anthony M., Berthe‐Marie Njanpop‐Lafourcade, Martin Mengel, et al.. (2015). Comparative Characterization of Vibrio cholerae O1 from Five Sub-Saharan African Countries Using Various Phenotypic and Genotypic Techniques. PLoS ONE. 10(11). e0142989–e0142989. 12 indexed citations

15.

Lunguya, Octavie, Veerle Lejon, Marie-France Phoba, et al.. (2012). Salmonella Typhi in the Democratic Republic of the Congo: Fluoroquinolone Decreased Susceptibility on the Rise. PLoS neglected tropical diseases. 6(11). e1921–e1921. 50 indexed citations

16.

Tau, Nomsa P., et al.. (2012). Escherichia coliO104 Associated with Human Diarrhea, South Africa, 2004–2011. Emerging infectious diseases. 18(8). 1314–7. 19 indexed citations

17.

Talkington, Deborah F., Cheryl A. Bopp, Cheryl L. Tarr, et al.. (2011). Characterization of Toxigenic Vibrio cholerae from Haiti, 2010–2011. Emerging infectious diseases. 17(11). 2122–9. 78 indexed citations

18.

Feasey, Nicholas, Brett N. Archer, Robert S. Heyderman, et al.. (2010). Typhoid Fever and Invasive Nontyphoid Salmonellosis, Malawi and South Africa. Emerging infectious diseases. 16(9). 1448–1451. 82 indexed citations

19.

Keddy, Karen H.. (2009). New methods of researching healthcare facility users: the nursing workspace. SHILAP Revista de lepidopterología. 6(2). 2 indexed citations

20.

Keddy, Karen H., et al.. (1999). Persistence of antibodies to the Salmonella typhi Vi capsular polysaccharide vaccine in South African school children ten years after immunization. Vaccine. 17(2). 110–113. 35 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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