José E. Hagan

4.4k total citations · 2 hit papers
46 papers, 2.4k citations indexed

About

José E. Hagan is a scholar working on Epidemiology, Parasitology and Infectious Diseases. According to data from OpenAlex, José E. Hagan has authored 46 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Epidemiology, 15 papers in Parasitology and 14 papers in Infectious Diseases. Recurrent topics in José E. Hagan's work include Leptospirosis research and findings (15 papers), Vaccine Coverage and Hesitancy (13 papers) and Virology and Viral Diseases (11 papers). José E. Hagan is often cited by papers focused on Leptospirosis research and findings (15 papers), Vaccine Coverage and Hesitancy (13 papers) and Virology and Viral Diseases (11 papers). José E. Hagan collaborates with scholars based in United States, Brazil and Switzerland. José E. Hagan's co-authors include Albert I. Ko, Federico Costa, Martha Sílvia Martinez-Silveira, Juan Ignácio Calcagno, Paul R. Torgerson, Michael J. Kane, Cláudia Stein, Bernadette Abela-Ridder, Mitermayer Galvão dos Reis and Guilherme S. Ribeiro and has published in prestigious journals such as Clinical Infectious Diseases, The Journal of Infectious Diseases and The Lancet Infectious Diseases.

In The Last Decade

José E. Hagan

45 papers receiving 2.4k citations

Hit Papers

Global Morbidity and Mortality of Leptospirosis: A System... 2015 2026 2018 2022 2015 2015 400 800 1.2k
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. Global Morbidity and Mortality of Leptospirosis: A Systematic Review
    2015 1.2k citations Federico Costa, José E. Hagan et al. PLoS neglected tropical diseases profile →
  2. Global Burden of Leptospirosis: Estimated in Terms of Disability Adjusted Life Years
    2015 270 citations Paul R. Torgerson, José E. Hagan et al. PLoS neglected tropical 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
José E. Hagan United States 18 1.9k 1.0k 327 294 280 46 2.4k
Thomas Löscher Germany 29 884 0.5× 866 0.8× 723 2.2× 235 0.8× 560 2.0× 91 2.2k
Juan Ignácio Calcagno Brazil 8 1.4k 0.7× 703 0.7× 258 0.8× 238 0.8× 123 0.4× 17 1.7k
Holly M. Biggs United States 17 675 0.4× 995 0.9× 418 1.3× 134 0.5× 244 0.9× 41 1.6k
Ellen A. Spotts Whitney United States 18 183 0.1× 448 0.4× 118 0.4× 248 0.8× 671 2.4× 41 1.5k
Sean V. Shadomy United States 22 304 0.2× 479 0.5× 345 1.1× 167 0.6× 299 1.1× 51 1.5k
Wilma A. Stolk Netherlands 31 1.2k 0.6× 1.7k 1.7× 604 1.8× 112 0.4× 147 0.5× 79 2.4k
Richard A. Spiegel United States 13 809 0.4× 787 0.8× 323 1.0× 254 0.9× 258 0.9× 18 1.4k
Taniawati Supali Indonesia 29 1.1k 0.6× 859 0.8× 291 0.9× 211 0.7× 121 0.4× 87 2.0k
M Corachán Spain 23 648 0.3× 419 0.4× 429 1.3× 119 0.4× 256 0.9× 80 1.4k
Karl–Heinz Herbinger Germany 20 123 0.1× 494 0.5× 295 0.9× 199 0.7× 484 1.7× 47 1.1k

Countries citing papers authored by José E. Hagan

Since Specialization
Citations

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

Fields of papers citing papers by José E. Hagan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by José E. Hagan. 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 José E. Hagan. The network helps show where José E. Hagan may publish in the future.

Co-authorship network of co-authors of José E. Hagan

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

All Works

20 of 20 papers shown
1.
Brown, Jeremy, Piers Mook, Amy Gimma, et al.. (2025). Case-only analysis of routine surveillance data: detection of increased vaccine breakthrough infections with SARS-CoV-2 variants in Europe. Epidemiology and Infection. 153. e16–e16. 1 indexed citations
2.
O’Connor, Patrick, Balcha Masresha, José E. Hagan, et al.. (2024). Global Status Report for the Verification of Measles and Rubella Elimination, 2022. Vaccines. 12(8). 947–947. 4 indexed citations
3.
Fischer, Thea Kølsen, Caroline Klint Johannesen, Kimberley Benschop, et al.. (2024). Poliovirus circulation in the WHO European region, 2015–2022: a review of data from WHO's three core poliovirus surveillance systems. The Lancet Regional Health - Europe. 47. 101104–101104. 3 indexed citations
4.
Colombe, Soledad, Anders Koch, Manon Haverkate, et al.. (2024). Effectiveness of historical smallpox vaccination against mpox clade II in men in Denmark, France, the Netherlands and Spain, 2022. Eurosurveillance. 29(34). 3 indexed citations
5.
Mukhtar, Hasan, et al.. (2024). Assessment of Simplified Surveillance for Congenital Rubella Syndrome in Sudan, 2014–2017. Vaccines. 12(12). 1447–1447. 1 indexed citations
6.
7.
Su, Qiru, Zhilan Feng, Lixin Hao, et al.. (2021). Assessing the burden of congenital rubella syndrome in China and evaluating mitigation strategies: a metapopulation modelling study. The Lancet Infectious Diseases. 21(7). 1004–1013. 20 indexed citations
8.
Nogareda, Francisco, Pagbajabyn Nymadawa, Kathleen Wannemuehler, et al.. (2020). Measles and rubella IgG seroprevalence in persons 6 month-35 years of age, Mongolia, 2016. Vaccine. 38(26). 4200–4208. 8 indexed citations
9.
Sacramento, Gielson Almeida do, Mayara Carvalho, Nívison Nery, et al.. (2018). Fine-scale GPS tracking to quantify human movement patterns and exposure to leptospires in the urban slum environment. PLoS neglected tropical diseases. 12(8). e0006752–e0006752. 8 indexed citations
10.
Lindow, Janet C., Arlo Randall, Elsio A. Wunder, et al.. (2017). Distinct antibody responses of patients with mild and severe leptospirosis determined by whole proteome microarray analysis. PLoS neglected tropical diseases. 11(1). e0005349–e0005349. 28 indexed citations
11.
Hagan, José E., Yoshihiro Takashima, Roberta Pastore, et al.. (2017). Risk Factors for Measles Virus Infection Among Adults During a Large Outbreak in Postelimination Era in Mongolia, 2015. The Journal of Infectious Diseases. 216(10). 1187–1195. 27 indexed citations
12.
Hagan, José E., et al.. (2017). Knowledge, attitudes, and practices of private sector immunization service providers in Gujarat, India. Vaccine. 36(1). 36–42. 14 indexed citations
13.
Lindow, Janet C., Elsio A. Wunder, Stephen J. Popper, et al.. (2016). Cathelicidin Insufficiency in Patients with Fatal Leptospirosis. PLoS Pathogens. 12(11). e1005943–e1005943. 25 indexed citations
14.
Costa, Federico, José E. Hagan, Juan Ignácio Calcagno, et al.. (2015). Global Morbidity and Mortality of Leptospirosis: A Systematic Review. PLoS neglected tropical diseases. 9(9). e0003898–e0003898. 1242 indexed citations breakdown →
15.
Felzemburgh, Ridalva Dias Martins, Guilherme S. Ribeiro, Federico Costa, et al.. (2014). Prospective Study of Leptospirosis Transmission in an Urban Slum Community: Role of Poor Environment in Repeated Exposures to the Leptospira Agent. PLoS neglected tropical diseases. 8(5). e2927–e2927. 137 indexed citations
16.
Araujo, Alan de, Eliana Almeida Gomes Reis, Daniel Abensur Athanazio, et al.. (2014). Oxidative Stress Markers Correlate with Renal Dysfunction and Thrombocytopenia in Severe Leptospirosis. American Journal of Tropical Medicine and Hygiene. 90(4). 719–723. 25 indexed citations
17.
Costa, Federico, Martha Sílvia Martinez-Silveira, José E. Hagan, et al.. (2012). Surveillance for leptospirosis in the Americas, 1996-2005: a review of data from ministries of health. Revista Panamericana de Salud Pública. 32(3). 169–177. 38 indexed citations
18.
Hagan, José E., Luis A. Marcos, & Thomas H. Steinberg. (2010). Fever in a Soldier Returned from Afghanistan. Journal of Travel Medicine. 17(5). 351–352. 2 indexed citations
19.
Rossenkhan, Raabya, Thumbi Ndung’u, José E. Hagan, et al.. (2009). Temporal Reduction of HIV Type 1 Viral Load in Breast Milk by Single-Dose Nevirapine during Prevention of MTCT. AIDS Research and Human Retroviruses. 25(12). 1261–1264. 5 indexed citations
20.
Luft, Andreas R., Manuel M. Buitrago, Joseph Suresh Paul, et al.. (2002). Early Restitution of Electrocorticogram Predicts Subsequent Behavioral Recovery from Cardiac Arrest. Journal of Clinical Neurophysiology. 19(6). 540–546. 13 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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