Stephen Obaro

8.6k total citations · 1 hit paper
102 papers, 4.0k citations indexed

About

Stephen Obaro is a scholar working on Epidemiology, Microbiology and Infectious Diseases. According to data from OpenAlex, Stephen Obaro has authored 102 papers receiving a total of 4.0k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Epidemiology, 23 papers in Microbiology and 22 papers in Infectious Diseases. Recurrent topics in Stephen Obaro's work include Pneumonia and Respiratory Infections (39 papers), Bacterial Infections and Vaccines (22 papers) and Respiratory viral infections research (14 papers). Stephen Obaro is often cited by papers focused on Pneumonia and Respiratory Infections (39 papers), Bacterial Infections and Vaccines (22 papers) and Respiratory viral infections research (14 papers). Stephen Obaro collaborates with scholars based in United States, Nigeria and United Kingdom. Stephen Obaro's co-authors include Richard A. Adegbola, Brian Greenwood, Shabbar Jaffar, Catherine Booth, Baba Inusa, Shabir A. Madhi, Pui‐Ying Iroh Tam, Amanda Leach, Kim Mulholland and Claire Oluwalana and has published in prestigious journals such as Proceedings of the National Academy of Sciences, The Lancet and Blood.

In The Last Decade

Stephen Obaro

99 papers receiving 3.8k 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.

Efficacy of nine-valent pneumococcal conjugate vaccine against pneumonia and invasive pneumococcal disease in The Gambia: randomised, double-blind, placebo-controlled trial

2005 674 citations G. Enwere, Shabbar Jaffar et al. The Lancet profile →

Peers

Countries citing papers authored by Stephen Obaro

Since Specialization

Citations

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

Fields of papers citing papers by Stephen Obaro

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Stephen Obaro

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

#	Work	Indexed citations
1	Antimicrobial resistance and virulence genes of invasive Salmonella enterica from children with bacteremia in north-central Nigeria 2023 ·SAGE Open Medicine ·(unknown), Olufunke Bolatito Shittu, Olufemi Ernest Ojo, (unknown), Grace Olanipekun, (unknown), (unknown), Nubwa Medugu, Bernard E. Ebruke, Stephen Obaro	5
2	Polyethylene Glycol-Mediated Directional Conjugation of Biological Molecules for Enhanced Immunoassays at the Point-of-Care 2023 ·Polymers ·Dheerendranath Battalapalli, (unknown), (unknown), Stephen Obaro, Umut A. Gürkan, Robert A. Bonomo, Mohamed S. Draz	1
3	The relationship between nutrition, gut dysbiosis, and pediatric sickle cell pain outcomes: A pilot study 2023 ·Pediatric Blood & Cancer ·(unknown), Corrine Hanson, H. Dele Davies, Stephen Obaro, Fang Yu, James Harper, (unknown), Jeffrey D. Lebensburger, (unknown), (unknown), Peter Mannon	5
4	Phenotypic and molecular characterization of beta-lactam resistant Multidrug-resistant Enterobacterales isolated from patients attending six hospitals in Northern Nigeria 2023 ·Scientific Reports ·Nubwa Medugu, Isabella A. Tickler, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Binta W. Jibir, Bernard E. Ebruke, Grace Olanipekun, Fred C. Tenover, Stephen Obaro	19
5	Antimicrobial resistance and virulence genes inSalmonella entericaserovars isolated from droppings of layer chicken in two farms in Nigeria 2022 ·Journal of Applied Microbiology ·Olufunke Bolatito Shittu, (unknown), Olufemi Ernest Ojo, (unknown), (unknown), (unknown), Grace Olanipekun, (unknown), Nubwa Medugu, Bernard E. Ebruke, Stephen Obaro	6
6	Neonatal outcomes associated with maternal recto-vaginal colonization with extended-spectrum β-lactamase producing Enterobacteriaceae in Nigeria: a prospective, cross-sectional study 2019 ·Clinical Microbiology and Infection ·(unknown), (unknown), (unknown), Godwin Akaba, Grace Olanipekun, Jean‐Christophe Richard, (unknown), (unknown), Kaeli Samson, (unknown), (unknown), (unknown), (unknown), (unknown), Nubwa Medugu, Jane L. Meza, Stephen Obaro	5
7	Updating the diagnosis of bacterial meningitis 2019 ·The Lancet Infectious Diseases ·Stephen Obaro	12
8	Acquisition of virulence genes by a carrier strain gave rise to the ongoing epidemics of meningococcal disease in West Africa 2018 ·Proceedings of the National Academy of Sciences ·Ola Brynildsrud, Vegard Eldholm, Jon Bohlin, (unknown), Stephen Obaro, Dominique A. Caugant	32
9	Increased memory phenotypes of CD4+ and CD8+ T cells in children with sickle cell anaemia in Tanzania 2017 ·Tanzania journal of health research ·Emmanuel Balandya, Teri Reynolds, Said Aboud, Stephen Obaro, Julie Makani	4
10	Hydroxyurea for sickle-cell anaemia in Africa: mind the gap 2015 ·The Lancet Global Health ·Stephen Obaro	4
11	Comparative effectiveness of congregation- versus clinic-based approach to prevention of mother-to-child HIV transmission: study protocol for a cluster randomized controlled trial 2013 ·Implementation Science ·Echezona E. Ezeanolue, Michael Obiefune, Wei Yang, Stephen Obaro, Chinenye O. Ezeanolue, Gbenga Ogedegbe	43
12	Community Acquired Bacteremia in Young Children from Central Nigeria- A Pilot Study 2011 ·BMC Infectious Diseases ·Stephen Obaro, Lovett Lawson, (unknown), (unknown), Kevin Brooks, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), Grace Olanipekun, Walid Khalife, Richard A. Adegbola	52
13	Infection in sickle cell disease: A review 2009 ·International Journal of Infectious Diseases ·Catherine Booth, Baba Inusa, Stephen Obaro	221
14	Efficacy of nine-valent pneumococcal conjugate vaccine against pneumonia and invasive pneumococcal disease in The Gambia: randomised, double-blind, placebo-controlled trial breakdown → 2005 ·The Lancet ·(unknown), (unknown), G. Enwere, Shabbar Jaffar, (unknown), (unknown), Claire Oluwalana, Adeola Vaughan, Stephen Obaro, Amanda Leach, (unknown), (unknown), Mahama Saaka, Uma Onwuchekwa, (unknown), (unknown), (unknown), (unknown)	674
15	Electrolyte derangement in cerebral malaria: a case for a more aggressive approach to the management of hyponatraemia 2000 ·Annals of Tropical Medicine and Parasitology ·G. Enwere, Martin O. C. Ota, Stephen Obaro	7
16	Respiratory diseases in Africa: Causes and effects 2000 ·The Lancet ·Stephen Obaro	1
17	A prospective evaluation of a clinical algorithm for the diagnosis of malaria in Gambian children 2000 ·Tropical Medicine & International Health ·Kalifa Bojang, Stephen Obaro, Linda Morison, Brian Greenwood	37
18	A trial of Fansidar® plus chloroquine or Fansidar® alone for the treatment of uncomplicated malaria in Gambian children 1998 ·Transactions of the Royal Society of Tropical Medicine and Hygiene ·Kalifa Bojang, G. Schneider, (unknown), Stephen Obaro, Shabbar Jaffar, M Pinder, Jane Rowley, Brian Greenwood	49
19	An efficacy trial of the malaria vaccine SPf66 in Gambian infants—second year of follow-up 1998 ·Vaccine ·Kalifa Bojang, Stephen Obaro, Umberto D’Alessandro, S. Bennett, P. Langerock, Geoffrey Targett, Brian Greenwood	14
20	Changes in the pattern of infant and childhood mortality in Upper River Division, The Gambia, from 1989 to 1993 1997 ·Tropical Medicine & International Health ·Shabbar Jaffar, Amanda Leach, A.M. Greenwood, Annette Jepson, Olaf Müller, Martin O. C. Ota, Kalifa Bojang, Stephen Obaro, Brian Greenwood	101

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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