S. O’Brien

19.4k citations

250 papers · 10.3k · 3 hit papers · h-index 48

Impact in

Endocrinology top 0.1%
- Escherichia coli research studies
- Vibrio bacteria research studies
Food Science top 0.05%
- Salmonella and Campylobacter epidemiology
- Food Safety and Hygiene

Papers in

Infectious Diseases 91
- Viral gastroenteritis research and epidemiology 83
Food Science 80
- Salmonella and Campylobacter epidemiology 70
- Food Safety and Hygiene 28

Co-authors: Iain Gillespie (28 shared papers)Goutam K. Adak (18 shared papers)Clarence C. Tam (19 shared papers)Shannon E. Majowicz (3 shared papers)Elaine Scallan (3 shared papers)Martyn Kirk (2 shared papers)Frederick J. Angulo (2 shared papers)Jennie Musto (1 shared paper)
Journals: Epidemiology and Infection (27 papers)Emerging infectious diseases (13 papers)PLoS ONE (11 papers)BMJ Open (7 papers)BMC Public Health (7 papers)
Partner nations: United Kingdom United States Germany

In The Last Decade

S. O’Brien

244 papers receiving 9.8k citations

S. O’Brien's Hit Papers

align trajectories log scale

Longitudinal study of infectious intestinal disease in the UK (IID2 study): incidence in the community and presenting to general practice 2011 · 425 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.

2011 Gut
2010 Clinical Infectious Diseases
2007 International Journal of Food Microbiology

Peers

Countries citing papers authored by S. O’Brien

Since Specialization

Citations

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

Fields of papers citing papers by S. O’Brien

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S. O’Brien. 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 S. O’Brien. The network helps show where S. O’Brien may publish in the future.

Co-authors

The 25 scholars most cited alongside S. O’Brien, 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 S. O’Brien Line = papers co-authored together S. O’Brien links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 250 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	The Global Burden of NontyphoidalSalmonellaGastroenteritis Clinical Infectious Diseases ·Shannon E. Majowicz, Jennie Musto, Elaine Scallan, Frederick J. Angulo, Martyn Kirk, S. O’Brien, Timothy F. Jones, Aamir Fazil, Robert M. Hoekstra Hit paper breakdown →	2010	1906
2	Campylobacters as zoonotic pathogens: A food production perspective International Journal of Food Microbiology ·(unknown), S. O’Brien, Mogens Madsen Hit paper breakdown →	2007	561
3	Longitudinal study of infectious intestinal disease in the UK (IID2 study): incidence in the community and presenting to general practice Gut ·Clarence C. Tam, Laura C. Rodrigues, Laura Viviani, Julie P Dodds, M.R. Evans, Paul Hunter, Jim Gray, Louise Letley, Greta Rait, D S Tompkins, S. O’Brien Hit paper breakdown →	2011	425
4	Risk Factors for Reported Elder Abuse and Neglect: A Nine-Year Observational Cohort Study The Gerontologist ·Mark S. Lachs, Christine L. Williams, S. O’Brien, Leslie Hurst, Ralph I. Horwitz	1997	315
5	A Case-Case Comparison ofCampylobacter coliandCampylobacter jejuniInfection: A Tool for Generating Hypotheses Emerging infectious diseases ·Iain Gillespie, S. O’Brien, Jennifer A. Frost, Goutam K. Adak, Peter Horby, A V Swan, Michael J. Painter, Keith Neal, (unknown)	2002	250
6	Disease Risks from Foods, England and Wales, 1996–2000 Emerging infectious diseases ·Goutam K. Adak, S.M. Meakins, Hopi Yip, Benjamin A. Lopman, S. O’Brien	2005	235
7	Climate variability and campylobacter infection: an international study International Journal of Biometeorology ·Sari Kovats, Sally Edwards, Dominique Charron, John Cowden, Rennie M. D’Souza, Kristie L. Ebi, Charmaine Gauci, Peter Gerner‐Smidt, Shakoor Hajat, Simon Hales, G Hernández Pezzi, B Kříž, K. Kutsar, Paul McKeown, Kassiani Μellou, Bettina Menne, S. O’Brien, Wilfrid van Pelt, H. Schmid	2004	168
8	Psychosocial risk markers for new onset irritable bowel syndrome – Results of a large prospective population-based study Pain ·Barbara I. Nicholl, S. L. S. Halder, Gary J. Macfarlane, David G. Thompson, S. O’Brien, Mahmoud Musleh, John McBeth	2007	150
9	The Occurrence and Prevention of Foodborne Disease in Vulnerable People Foodborne Pathogens and Disease ·Barbara M. Lund, S. O’Brien	2011	148
10	Risk factors for sporadic cases of Escherichia coli O157 infection: the importance of contact with animal excreta Epidemiology and Infection ·Mary E. Locking, S. O’Brien, William J. Reilly, E. M. Wright, Donald M. Campbell, John Coia, Lynda Browning, Colin N. Ramsay	2001	146
11	Guillain-Barré Syndrome and Preceding Infection with Campylobacter, Influenza and Epstein-Barr Virus in the General Practice Research Database PLoS ONE ·Clarence C. Tam, S. O’Brien, Irene Petersen, Amir Islam, Andrew Hayward, Laura C. Rodrigues	2007	142
12	The role of sunlight exposure in determining the vitamin D status of the U.K. white adult population British Journal of Dermatology ·Ann R. Webb, Richard Kift, Marie Durkin, S. O’Brien, Andy Vail, Jacqueline Berry, Lesley E. Rhodes	2010	139
13	Childhood Hemolytic Uremic Syndrome, United Kingdom and Ireland Emerging infectious diseases ·Richard Lynn, S. O’Brien, Caroline M. Taylor, Goutam K. Adak, Henrik Chart, T. Cheasty, John Coia, Iain Gillespie, Mary E. Locking, William J. Reilly, Henry R. Smith, Aoife Waters, Geraldine A. Willshaw	2005	135
14	General outbreaks of infectious intestinal disease in England and Wales: 1995 and 1996. PubMed ·H S Evans, Pamela A. F. Madden, Colin Douglas, Goutam K. Adak, S. O’Brien, T Djuretic, P G Wall, Rosalind Stanwell-Smith	1998	124
15	Contact with Farming Environment as a Major Risk Factor for Shiga Toxin (Vero Cytotoxin)-Producing Escherichia coli O157 Infection in Humans Emerging infectious diseases ·S. O’Brien, Goutam K. Adak, Clare Gilham	2001	122
16	Changes in Causes of Acute Gastroenteritis in the United Kingdom Over 15 Years: Microbiologic Findings From 2 Prospective, Population-Based Studies of Infectious Intestinal Disease Clinical Infectious Diseases ·Clarence C. Tam, S. O’Brien, D S Tompkins, F. J. Bolton, Lauryn Berry, Julie Dodds, Debapriya Das Choudhury, Fenella Halstead, Miren Iturriza‐Gómara, Kieren J. Mather, Greta Rait, A. Ridge, Laura C. Rodrigues, John Wain, Benjamin J. Wood, J. Gray	2012	120
17	A national outbreak of multi-resistant Salmonella enterica serovar Typhimurium definitive phage type (DT) 104 associated with consumption of lettuce Epidemiology and Infection ·Peter Horby, S. O’Brien, G K Adak, Christine B. Graham, J. I. Hawker, Paul Hunter, Chris Lane, A. J. LAWSON, R. T. MITCHELL, Mark Reacher, E. John Threlfall, Ward Lr, (unknown)	2003	120
18	Recommended Summer Sunlight Exposure Levels Can Produce Sufficient (≥20 ng ml−1) but Not the Proposed Optimal (≥32 ng ml−1) 25(OH)D Levels at UK Latitudes Journal of Investigative Dermatology ·Lesley E. Rhodes, Ann R. Webb, Heather Fraser, Richard Kift, Marie Durkin, D Allan, S. O’Brien, Andy Vail, Jacqueline Berry	2010	119
19	Temperature-Driven Campylobacter Seasonality in England and Wales Applied and Environmental Microbiology ·Valérie R. Louis, Iain Gillespie, S. O’Brien, Estelle Russek‐Cohen, Andrew D.J. Pearson, Rita R. Colwell	2005	108
20	Management of hospital outbreaks of gastro-enteritis due to small roundstructured viruses Journal of Hospital Infection ·Paul Chadwick, G. M. Beards, David Brown, E O Caul, J. Cheesbrough, Ian N. Clarke, A. Curry, S. O’Brien, Karen S. Quigley, Jane Sellwood, D. Westmoreland	2000	103

About S. O’Brien

S. O’Brien is a scholar working on Infectious Diseases, Food Science, Endocrinology, Epidemiology and Biotechnology, having authored 250 papers that have together received 10.3k indexed citations. Recurring topics across this work include Viral gastroenteritis research and epidemiology (83 papers), Salmonella and Campylobacter epidemiology (70 papers), Food Safety and Hygiene (28 papers), Listeria monocytogenes in Food Safety (17 papers), Escherichia coli research studies (16 papers), Nuclear physics research studies (13 papers), Animal Disease Management and Epidemiology (11 papers) and Parasitic Infections and Diagnostics (10 papers). The work is most often cited by research in Endocrinology (1.7k citations), Food Science (5.0k citations), Infectious Diseases (3.5k citations), Biotechnology (1.3k citations) and Molecular Medicine (409 citations). S. O’Brien has collaborated with scholars based in United Kingdom, United States and Germany. Frequent co-authors include Iain Gillespie, Goutam K. Adak, Clarence C. Tam, Shannon E. Majowicz, Elaine Scallan, Martyn Kirk, Frederick J. Angulo, Jennie Musto, Robert M. Hoekstra and Timothy F. Jones. Their work appears in journals such as Epidemiology and Infection, Emerging infectious diseases, PLoS ONE, BMJ Open and BMC Public Health.

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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S. O’Brien

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In The Last Decade

S. O’Brien

S. O’Brien's Hit Papers

Peers

Countries citing papers authored by S. O’Brien

Fields of papers citing papers by S. O’Brien

All Works

About S. O’Brien

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