Jacob John

6.5k total citations · 1 hit paper
108 papers, 3.7k citations indexed

About

Jacob John is a scholar working on Infectious Diseases, Food Science and Epidemiology. According to data from OpenAlex, Jacob John has authored 108 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 53 papers in Infectious Diseases, 28 papers in Food Science and 19 papers in Epidemiology. Recurrent topics in Jacob John's work include Viral gastroenteritis research and epidemiology (39 papers), Salmonella and Campylobacter epidemiology (28 papers) and Vibrio bacteria research studies (14 papers). Jacob John is often cited by papers focused on Viral gastroenteritis research and epidemiology (39 papers), Salmonella and Campylobacter epidemiology (28 papers) and Vibrio bacteria research studies (14 papers). Jacob John collaborates with scholars based in India, United Kingdom and United States. Jacob John's co-authors include Alfred Wittinghofer, Roger S. Goody, Kenneth C. Holmes, E.F. Pai, Ute Krengel, Wolfgang Kabsch, Gagandeep Kang, Nicholas C. Grassly, Gian Domenico Borasio and Matthias Frech and has published in prestigious journals such as Nature, New England Journal of Medicine and The Lancet.

In The Last Decade

Jacob John

99 papers receiving 3.6k 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.

Structure of the guanine-nucleotide-binding domain of the Ha-ras oncogene product p21 in the triphosphate conformation

1989 758 citations Jacob John et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jacob John India	26	1.8k	900	551	377	354	108	3.7k
Susan L. Fink United States	22	4.3k 2.4×	1.7k 1.8×	205 0.4×	97 0.3×	190 0.5×	44	7.7k
Benjamin Misselwitz Switzerland	39	1.4k 0.7×	300 0.3×	444 0.8×	64 0.2×	400 1.1×	136	4.3k
Donald M. Marcus United States	44	2.7k 1.5×	318 0.4×	497 0.9×	95 0.3×	65 0.2×	146	5.5k
Tao Peng China	40	1.9k 1.0×	790 0.9×	269 0.5×	151 0.4×	38 0.1×	180	4.9k
Mark S. Klempner United States	39	1.4k 0.8×	2.8k 3.1×	186 0.3×	82 0.2×	82 0.2×	110	8.4k
Ishtiaq Qadri Saudi Arabia	35	1.2k 0.7×	384 0.4×	316 0.6×	91 0.2×	81 0.2×	138	3.8k
Huan-Yao Lei Taiwan	46	1.2k 0.7×	2.7k 3.0×	210 0.4×	124 0.3×	39 0.1×	89	6.3k
Tomoko Hayashi Japan	34	2.0k 1.1×	331 0.4×	324 0.6×	72 0.2×	407 1.1×	187	5.5k
Tengchuan Jin China	36	4.1k 2.2×	2.1k 2.3×	120 0.2×	87 0.2×	139 0.4×	178	8.1k
Yee-Shin Lin Taiwan	53	2.0k 1.1×	3.4k 3.7×	356 0.6×	77 0.2×	50 0.1×	168	7.9k

Countries citing papers authored by Jacob John

Since Specialization

Citations

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

Fields of papers citing papers by Jacob John

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jacob John

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

Jacob, Jobin John, Bhavini Shah, Veena Iyer, et al.. (2025). Recent emergence of cephalosporin-resistant Salmonella Typhi in India due to the endemic clone acquiring IncFIB(K) plasmid encoding bla _CTX-M-15 gene. Microbiology Spectrum. 13(5). e0087524–e0087524.

John, Jacob, et al.. (2024). Progress in rheology of active colloidal systems. Current Opinion in Colloid & Interface Science. 75. 101886–101886.

Morris, Tim P., Andrew Copas, Prasanna Samuel, et al.. (2023). An observer-blinded, cluster randomised trial of a typhoid conjugate vaccine in an urban South Indian cohort. Trials. 24(1). 492–492. 3 indexed citations

Rose, Winsley, Sudhir Babji, Anna George, et al.. (2023). Immunogenicity and safety of homologous and heterologous booster vaccination of ChAdOx1 nCoV-19 (COVISHIELD™) and BBV152 (COVAXIN®): a non-inferiority phase 4, participant and observer-blinded, randomised study. The Lancet Regional Health - Southeast Asia. 12. 100141–100141. 11 indexed citations

Abraham, Dilip, Jonathan Rigby, Satheesh Nair, et al.. (2023). Environmental Surveillance for Salmonella Typhi and its Association With Typhoid Fever Incidence in India and Malawi. The Journal of Infectious Diseases. 229(4). 979–987. 16 indexed citations

Murugesan, M., Padmanaban Venkatesan, Winsley Rose, et al.. (2022). Epidemiological investigation of the COVID-19 outbreak in Vellore district in South India using Geographic Information Surveillance (GIS). International Journal of Infectious Diseases. 122. 669–675. 5 indexed citations

Babji, Sudhir, et al.. (2022). Risk of COVID-19 re-infection and its predictors (CORES): protocol for a community-based longitudinal cohort study in Vellore, India. BMJ Open. 12(5). e059869–e059869. 1 indexed citations

Samuel, Prasanna, et al.. (2021). Case-Fatality Ratio of Enteric Fever: Estimates From Multitiered Surveillance in India. The Journal of Infectious Diseases. 224(Supplement_5). S517–S521. 2 indexed citations

Karthikeyan, Arun S, Karthikeyan Ramanujam, Theresa Ryckman, et al.. (2021). Geographic Pattern of Typhoid Fever in India: A Model-Based Estimate of Cohort and Surveillance Data. The Journal of Infectious Diseases. 224(Supplement_5). S475–S483. 19 indexed citations

10.

Karthikeyan, Arun S, Karthikeyan Ramanujam, Manoj Murhekar, et al.. (2021). Healthcare Utilization Survey in the Hybrid Model of the Surveillance for Enteric Fever in India (SEFI) Study: Processes, Monitoring, Results, and Challenges. The Journal of Infectious Diseases. 224(Supplement_5). S529–S539. 3 indexed citations

11.

Giri, Sidhartha, Venkata Raghava Mohan, Manikandan Srinivasan, et al.. (2021). Case-Control Study of Household and Environmental Transmission of Typhoid Fever in India. The Journal of Infectious Diseases. 224(Supplement_5). S584–S592. 7 indexed citations

12.

Ryckman, Theresa, Arun S Karthikeyan, Gagandeep Kang, et al.. (2021). Comparison of Strategies for Typhoid Conjugate Vaccine Introduction in India: A Cost-Effectiveness Modeling Study. The Journal of Infectious Diseases. 224(Supplement_5). S612–S624. 11 indexed citations

13.

Mohan, Venkata Raghava, Manikandan Srinivasan, Bireshwar Sinha, et al.. (2021). Geographically Weighted Regression Modeling of Spatial Clustering and Determinants of Focal Typhoid Fever Incidence. The Journal of Infectious Diseases. 224(Supplement_5). S601–S611. 4 indexed citations

14.

Karthikeyan, Arun S, Manikandan Srinivasan, Suman Kanungo, et al.. (2021). Antibiotics for Fever Among Children: Findings From the Surveillance for Enteric Fever in India Cohorts. The Journal of Infectious Diseases. 224(Supplement_5). S494–S501. 3 indexed citations

15.

Srinivasan, Manikandan, Kulandaipalayam Natarajan Sindhu, Arun S Karthikeyan, et al.. (2021). Hospitalization Rates and Direct Medical Costs for Fever in a Pediatric Cohort in South India. The Journal of Infectious Diseases. 224(Supplement_5). S548–S557. 5 indexed citations

16.

Babji, Sudhir, Yin‐Huai Chen, Ira Praharaj, et al.. (2020). Immune predictors of oral poliovirus vaccine immunogenicity among infants in South India. npj Vaccines. 5(1). 27–27. 3 indexed citations

17.

Sindhu, Kulandaipalayam Natarajan, et al.. (2019). Why do participants drop-out: findings from a prospective pediatric cohort for fever surveillance established at Vellore, southern India. BMC Medical Research Methodology. 19(1). 244–244. 5 indexed citations

18.

Rose, Winsley, Kulandaipalayam Natarajan Sindhu, Asha Mary Abraham, Gagandeep Kang, & Jacob John. (2019). Incidence of dengue illness among children in an urban setting in South India: A population based study. International Journal of Infectious Diseases. 84. S15–S18. 10 indexed citations

19.

John, Jacob, et al.. (2018). Estimating the incidence of enteric fever in children in India: a multi-site, active fever surveillance of pediatric cohorts. BMC Public Health. 18(1). 594–594. 44 indexed citations

20.

John, Jacob, et al.. (2017). Management of Commonly Encountered Secondary Cleft Deformities of Face-A Case Series. SHILAP Revista de lepidopterología.

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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