Francis Onyango

2.0k total citations · 1 hit paper
26 papers, 1.4k citations indexed

About

Francis Onyango is a scholar working on Epidemiology, Infectious Diseases and Emergency Medicine. According to data from OpenAlex, Francis Onyango has authored 26 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 10 papers in Epidemiology, 8 papers in Infectious Diseases and 5 papers in Emergency Medicine. Recurrent topics in Francis Onyango's work include Respiratory viral infections research (5 papers), HIV/AIDS Research and Interventions (5 papers) and Child Nutrition and Water Access (4 papers). Francis Onyango is often cited by papers focused on Respiratory viral infections research (5 papers), HIV/AIDS Research and Interventions (5 papers) and Child Nutrition and Water Access (4 papers). Francis Onyango collaborates with scholars based in Kenya, United States and Pakistan. Francis Onyango's co-authors include Ruth Nduati, Dorothy Mbori‐Ngacha, Anthony Mwatha, Barbra A. Richardson, Grace C. John, Jeckoniah Ndinya‐Achola, Julie Overbaugh, Job J. Bwayo, Joan K. Kreiss and James P. Hughes and has published in prestigious journals such as The Lancet, JAMA and Clinical Infectious Diseases.

In The Last Decade

Francis Onyango

25 papers receiving 1.3k 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.

Effect of Breastfeeding and Formula Feeding on Transmission of HIV-1

2000 637 citations Ruth Nduati, Grace C. John et al. JAMA profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Francis Onyango Kenya	14	873	603	391	319	296	26	1.4k
Prakash Jeena South Africa	26	790 0.9×	1.0k 1.7×	239 0.6×	101 0.3×	254 0.9×	93	2.0k
Kathleen Ragland United States	21	1.2k 1.4×	510 0.8×	382 1.0×	719 2.3×	233 0.8×	27	1.8k
Dhayendre Moodley South Africa	28	1.7k 1.9×	813 1.3×	545 1.4×	811 2.5×	336 1.1×	117	2.5k
Victor Musiime Uganda	23	1.1k 1.3×	332 0.6×	495 1.3×	347 1.1×	302 1.0×	121	1.6k
Hilda Mujuru Zimbabwe	21	953 1.1×	508 0.8×	282 0.7×	361 1.1×	294 1.0×	95	1.4k
Rhoderick Machekano United States	20	741 0.8×	474 0.8×	289 0.7×	409 1.3×	135 0.5×	84	1.7k
Elizabeth Maleche‐Obimbo Kenya	20	764 0.9×	526 0.9×	322 0.8×	182 0.6×	107 0.4×	95	1.1k
Kubendran Pillay South Africa	20	996 1.1×	740 1.2×	345 0.9×	391 1.2×	310 1.0×	34	2.4k
Ezekiel Mupere Uganda	25	816 0.9×	556 0.9×	54 0.1×	170 0.5×	125 0.4×	114	1.7k
Sanay Chearskul Thailand	16	1.1k 1.2×	578 1.0×	527 1.3×	264 0.8×	209 0.7×	42	1.3k

Countries citing papers authored by Francis Onyango

Since Specialization

Citations

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

Fields of papers citing papers by Francis Onyango

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Francis Onyango

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

Inoue, Shingo, et al.. (2019). Seroprevalence of yellow fever, dengue, West Nile and chikungunya viruses in children in Teso South Sub-County, Western Kenya. International Journal of Infectious Diseases. 91. 104–110. 27 indexed citations

Kariuki, C, et al.. (2018). Prevalence of sepsis among neonates admitted to Kisii Level 5 Hospital. East African Medical Journal. 95(1). 1139–1147. 1 indexed citations

Kogi‐Makau, Wambui, et al.. (2017). Leucine supplementation in the management of protein energy malnutrition: A review. East African Medical Journal. 94(1). 20–24. 1 indexed citations

Birungi, Harriet, Chi‐Chi Undie, & Francis Onyango. (2014). Education sector response to early and unintended pregnancy (EUP): A review of country experiences in East and Southern Africa. 1 indexed citations

Onyango, Francis, et al.. (2014). ADHERENCE TO PNEUMONIA GUIDELINES FOR CHILDREN 2 - 59 MONTHS AT GARRISA PROVINCIAL GENERAL HOSPITAL.. PubMed. 91(1). 13–20. 3 indexed citations

Kambarami, R A, et al.. (2010). Clinical predictors of low CD4 count among HIV infected pulmonary tuberculosis clients: A health facility-based survey. South African Medical Journal. 100(9). 602–602. 8 indexed citations

Nduati, Ruth, Barbra A. Richardson, Grace C. John, et al.. (2001). Effect of breastfeeding on mortality among HIV-1 infected women: a randomised trial. The Lancet. 357(9269). 1651–1655. 128 indexed citations

Nduati, Ruth, Grace C. John, Dorothy Mbori‐Ngacha, et al.. (2000). Effect of Breastfeeding and Formula Feeding on Transmission of HIV-1. JAMA. 283(9). 1167–1167. 637 indexed citations breakdown →

Nduati, Ruth, Grace C. John, Dorothy Mbori‐Ngacha, et al.. (2000). Effect of Breastfeeding and Formula Feeding on Transmission of HIV-1: A Randomized Clinical Trial. Obstetrical & Gynecological Survey. 55(8). 479–481. 37 indexed citations

10.

Wafula, E M, et al.. (1998). X-ray diagnosable pneumonia in children with severe malnutrition at Kenyatta National Hospital.. PubMed. 75(10). 567–71. 3 indexed citations

11.

John, George C., Ruth Nduati, Dorothy Mbori‐Ngacha, et al.. (1997). Genital Shedding of Human Immunodeficiency Virus Type 1 DNA during Pregnancy: Association with Immunosuppression, Abnormal Cervical or Vaginal Discharge, and Severe Vitamin A Deficiency. The Journal of Infectious Diseases. 175(1). 57–62. 141 indexed citations

12.

Mbori‐Ngacha, Dorothy, Juliana A. Otieno, E.K. Njeru, & Francis Onyango. (1995). Prevalence of persistent diarrhoea in children aged 3-36 months at the Kenyatta National Hospital, Nairobi, Kenya.. PubMed. 72(11). 711–4. 16 indexed citations

13.

Stanek, Edward J., et al.. (1994). Characteristics Related to the Incidence and Prevalence of Acute Respiratory Tract Infection in Young Children in Kenya. Clinical Infectious Diseases. 18(4). 639–647. 10 indexed citations

14.

Wamola, Isaac A, et al.. (1993). Recent epidemic meningococcal meningitis in Nairobi. East African Medical Journal. 70(4). 195–197. 2 indexed citations

15.

Brady, June P., et al.. (1993). Recognition of illness in very young infants by inexperienced health workers. Annals of Tropical Paediatrics. 13(4). 401–407. 5 indexed citations

16.

Onyango, Francis, et al.. (1993). Hypoxaemia in young Kenyan children with acute lower respiratory infection.. BMJ. 306(6878). 612–615. 116 indexed citations

17.

Mirza, Nazrat, William Macharia, E M Wafula, R. Agwanda, & Francis Onyango. (1990). Mortality patterns in a rural Kenyan community.. PubMed. 67(11). 823–9. 13 indexed citations

18.

Mirza, Nazrat, William Macharia, E M Wafula, R. Agwanda, & Francis Onyango. (1990). Verbal autopsy: a tool for determining cause of death in a community.. PubMed. 67(10). 693–8. 33 indexed citations

19.

Wafula, E M, Francis Onyango, Nazrat Mirza, et al.. (1990). Epidemiology of Acute Respiratory Tract Infections Among Young Children in Kenya. Clinical Infectious Diseases. 12(Supplement_8). S1035–S1038. 22 indexed citations

20.

Perkins, Bradley A., Michael Reeves, Robert W. Pinner, et al.. (1989). Epidemic meningococcal disease in Nairobi, Kenya - 1989. J Infect Dis 1992;166:359-364. 1 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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