John P. Haran

3.4k total citations · 3 hit papers
40 papers, 1.5k citations indexed

About

John P. Haran is a scholar working on Infectious Diseases, Molecular Biology and Epidemiology. According to data from OpenAlex, John P. Haran has authored 40 papers receiving a total of 1.5k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Infectious Diseases, 13 papers in Molecular Biology and 13 papers in Epidemiology. Recurrent topics in John P. Haran's work include Gut microbiota and health (11 papers), Clostridium difficile and Clostridium perfringens research (7 papers) and Influenza Virus Research Studies (5 papers). John P. Haran is often cited by papers focused on Gut microbiota and health (11 papers), Clostridium difficile and Clostridium perfringens research (7 papers) and Influenza Virus Research Studies (5 papers). John P. Haran collaborates with scholars based in United States, China and Switzerland. John P. Haran's co-authors include Beth A. McCormick, Vanni Bucci, Doyle V. Ward, Protiva Dutta, Francesca L. Beaudoin, Shakti K. Bhattarai, Sage E. Foley, Otto Liebmann, Keqiang Ye and Xia Liu and has published in prestigious journals such as Nature Communications, Gastroenterology and Gut.

In The Last Decade

John P. Haran

35 papers receiving 1.5k 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.

Gut microbiota regulate Alzheimer’s disease pathologies and cognitive disorders via PUFA-associated neuroinflammation

2022 317 citations Chun Chen, Jianming Liao et al. Gut profile →
Alzheimer’s Disease Microbiome Is Associated with Dysregulation of the Anti-Inflammatory P-Glycoprotein Pathway

2019 297 citations John P. Haran, Shakti K. Bhattarai et al. profile →
The human gut microbiome and aging

2024 48 citations Evan S. Bradley, John P. Haran Gut Microbes profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John P. Haran United States	17	772	488	307	255	168	40	1.5k
Genghong Xia China	12	1.1k 1.5×	553 1.1×	195 0.6×	147 0.6×	82 0.5×	14	1.5k
Igor Łoniewski Poland	27	1.2k 1.6×	706 1.4×	524 1.7×	170 0.7×	188 1.1×	81	2.2k
Camille Martin‐Gallausiaux France	11	1.5k 1.9×	671 1.4×	229 0.7×	253 1.0×	159 0.9×	17	2.2k
Jia Yin China	18	1.5k 1.9×	685 1.4×	244 0.8×	215 0.8×	107 0.6×	47	2.1k
Jacob M. Allen United States	20	1.4k 1.8×	1.2k 2.4×	296 1.0×	170 0.7×	79 0.5×	49	2.3k
Minghao Gong United States	11	1.1k 1.4×	665 1.4×	119 0.4×	176 0.7×	113 0.7×	16	1.6k
Matthieu Pichelin France	16	878 1.1×	401 0.8×	396 1.3×	135 0.5×	330 2.0×	30	1.6k
Feitong Liu China	13	865 1.1×	368 0.8×	122 0.4×	128 0.5×	58 0.3×	23	1.3k
Kymberleigh A. Romano United States	14	2.4k 3.1×	1.3k 2.7×	426 1.4×	225 0.9×	185 1.1×	17	3.1k
Niousha Ahmari United States	8	930 1.2×	711 1.5×	127 0.4×	117 0.5×	81 0.5×	12	1.5k

Countries citing papers authored by John P. Haran

Since Specialization

Citations

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

Fields of papers citing papers by John P. Haran

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John P. Haran. 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 John P. Haran. The network helps show where John P. Haran may publish in the future.

Co-authorship network of co-authors of John P. Haran

This figure shows the co-authorship network connecting the top 25 collaborators of John P. Haran. A scholar is included among the top collaborators of John P. Haran 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 John P. Haran. John P. Haran 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

Huang, Zuhao, et al.. (2025). ADAM-1: An AI Reasoning and Bioinformatics Model for Alzheimer’s Disease Detection and Microbiome-Clinical Data Integration. IEEE Access. 13. 145953–145967.

Bradley, Evan S., et al.. (2025). The urinary microbiome distinguishes symptomatic urinary tract infection from asymptomatic older adult patients presenting to the emergency department. Virulence. 16(1). 2546063–2546063.

Mohr, Nicholas M., Ian D. Plumb, Karisa K. Harland, et al.. (2023). Presence of symptoms 6 weeks after COVID-19 among vaccinated and unvaccinated US healthcare personnel: a prospective cohort study. BMJ Open. 13(2). e063141–e063141. 17 indexed citations

Xia, Yiyuan, Yifan Xiao, Zhi-Hao Wang, et al.. (2023). Bacteroides Fragilis in the gut microbiomes of Alzheimer’s disease activates microglia and triggers pathogenesis in neuronal C/EBPβ transgenic mice. Nature Communications. 14(1). 5471–5471. 63 indexed citations

Chen, Chun, Jianming Liao, Yiyuan Xia, et al.. (2022). Gut microbiota regulate Alzheimer’s disease pathologies and cognitive disorders via PUFA-associated neuroinflammation. Gut. 71(11). 2233–2252. 317 indexed citations breakdown →

Haran, John P., Evan S. Bradley, Protiva Dutta, et al.. (2021). Inflammation-type dysbiosis of the oral microbiome associates with the duration of COVID-19 symptoms and long COVID. JCI Insight. 6(20). 109 indexed citations

Haran, John P., Doyle V. Ward, Shakti K. Bhattarai, et al.. (2021). The high prevalence of Clostridioides difficile among nursing home elders associates with a dysbiotic microbiome. Gut Microbes. 13(1). 1–15. 18 indexed citations

Haran, John P. & Beth A. McCormick. (2020). Aging, Frailty, and the Microbiome—How Dysbiosis Influences Human Aging and Disease. Gastroenterology. 160(2). 507–523. 129 indexed citations

Bradley, Evan S., Emily Howe, Xun Wu, & John P. Haran. (2019). Proton pump inhibitors and 180-day mortality in the elderly after Clostridium difficile treatment. Gut Pathogens. 11(1). 29–29. 5 indexed citations

10.

Haran, John P., et al.. (2018). Deviating from IDSA treatment guidelines for non-purulent skin infections increases the risk of treatment failure in emergency department patients. Epidemiology and Infection. 147. e68–e68. 8 indexed citations

11.

Haran, John P. & Gregory Volturo. (2018). Macrolide Resistance in Cases of Community-Acquired Bacterial Pneumonia in the Emergency Department. Journal of Emergency Medicine. 55(3). 347–353. 9 indexed citations

12.

Haran, John P., Gaofeng Wu, Vanni Bucci, et al.. (2016). Antibiotic-associated diarrhoea in emergency department observation unit patients. Epidemiology and Infection. 144(10). 2176–2183. 6 indexed citations

13.

Haran, John P., et al.. (2016). Elderly patients are at increased risk for treatment failure in outpatient management of purulent skin infections. The American Journal of Emergency Medicine. 35(2). 249–254. 11 indexed citations

14.

Haran, John P., S.J.M. Skinner, Chris Merritt, et al.. (2014). Factors influencing the development of antibiotic associated diarrhea in ED patients discharged home: risk of administering IV antibiotics. The American Journal of Emergency Medicine. 32(10). 1195–1199. 19 indexed citations

15.

Haran, John P., et al.. (2014). A case of neck pain: The presentation of Chairi 1 malformations in children. Journal of Emergencies Trauma and Shock. 7(1). 32–32. 1 indexed citations

16.

Haran, John P., David C. Hoaglin, Huaiqing Chen, Edward W. Boyer, & Shan Lu. (2014). Antigen-specific H1N1 influenza antibody responses in acute respiratory tract infections and their relation to influenza infection and disease course. Journal of Clinical Virology. 60(4). 367–373. 8 indexed citations

17.

Moise, Leonard, Ryan Tassone, Frances Terry, et al.. (2013). Immunization with cross-conserved H1N1 influenza CD4⁺T-cell epitopes lowers viral burden in HLA DR3 transgenic mice. Human Vaccines & Immunotherapeutics. 9(10). 2060–2068. 21 indexed citations

18.

Haran, John P., Francesca L. Beaudoin, Selim Suner, & Shan Lu. (2012). C-reactive protein as predictor of bacterial infection among patients with an influenza-like illness. The American Journal of Emergency Medicine. 31(1). 137–144. 55 indexed citations

19.

Wessolossky, Mireya, et al.. (2008). Paecilomyces lilacinus olecranon bursitis in an immunocompromised host: case report and review. Diagnostic Microbiology and Infectious Disease. 61(3). 354–357. 10 indexed citations

20.

Haran, John P., Thomas C. Greenough, Katherine Luzuriaga, et al.. (2002). Enhanced Culture Method for Detection of Replication-Competent Virus in Peripheral Blood Mononuclear Cells of HIV Type 1-Infected Individuals. AIDS Research and Human Retroviruses. 18(8). 577–583. 2 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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