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Microbiology
Kenya
2026

D-Index & Metrics

Microbiology

D-Index
77
Citations
14200
World Ranking
1378
National Ranking
2

Research.com Recognitions

  • 2026 - Research.com Microbiology in Kenya Leader Award

Overview

John H. Ouma is affiliated with the Kenya Medical Research Institute in Kenya and has contributed to research primarily within the field of Medicine. Their work spans several related subfields including Epidemiology, Neurology, and Pulmonary and Respiratory Medicine.

The research topics commonly addressed by John H. Ouma cover a range of clinical and neurological conditions. These include:

  • Meningioma and schwannoma management
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Intracranial Aneurysms: Treatment and Complications
  • Aortic Disease and Treatment Approaches
  • Congenital Heart Disease Studies
  • Tracheal and airway disorders

Their recent publications reflect these research interests and include the following papers:

  • 5 Birds with 1 stone - multiple aneurysms treated with a single craniotomy, 2023, Wits Journal of Clinical Medicine
  • The significance and impact of a rare finding of a right aortic arch during a neuro-endovascular intervention, 2025, The Egyptian Journal of Neurosurgery: the official publication of the Egyptian Society of Neurological Surgeons/Egyptian journal of neurosurgery

Frequent co-authors collaborating with John H. Ouma include:

  • Adhiambo Philister
  • Reenish Madiega
  • Emmah Achieng' Mbuge
  • Philip Odundo
  • Collins Gem

The work of John H. Ouma has been published in journals such as:

  • Wits Journal of Clinical Medicine
  • The Egyptian Journal of Neurosurgery: the official publication of the Egyptian Society of Neurological Surgeons/Egyptian journal of neurosurgery

Best Publications

  • Immunity after treatment of human schistosomiasis: association between IgE antibodies to adult worm antigens and resistance to reinfection

    D. W. Dunne;A. E. Butterworth;A. J. C. Fulford;H. C. Kariuki

  • Helminth- and Bacillus Calmette-Guérin-Induced Immunity in Children Sensitized In Utero to Filariasis and Schistosomiasis

    Indu Malhotra;Peter Mungai;Alex Wamachi;John Kioko

  • Immunity after treatment of human schistosomiasis mansoni. II. Identification of resistant individuals, and analysis of their immune responses

    A.E. Butterworth;M. Capron;J.S. Cordingley;P.R. Dalton

  • Immunity to schistosomes: progress toward vaccine

    André Capron;J. P. Dessaint;M. Capron;J. H. Ouma

  • Studies on Schistosomiasis in Western Kenya: I. Evidence for Immune-Facilitated Excretion of Schistosome Eggs from Patients with Schistosoma mansoni and Human Immunodeficiency Virus Coinfections

    D. M. S. Karanja;D. G. Colley;B. L. Nahlen;J. H. Ouma

  • Periportal Fibrosis in Human Schistosoma mansoni Infection Is Associated with Low IL-10, Low IFN-γ, High TNF-α, or Low RANTES, Depending on Age and Gender

    Mark Booth;Joseph K. Mwatha;Sarah Joseph;Frances M. Jones

  • Permethrin-impregnated bednet effects on resting and feeding behaviour of lymphatic filariasis vector mosquitoes in Kenya.

    Claus Bøgh;Erling M. Pedersen;Dunstan A. Mukoko;John H. Ouma

  • High levels of TNF, soluble TNF receptors, soluble ICAM-1, and IFN-gamma, but low levels of IL-5, are associated with hepatosplenic disease in human schistosomiasis mansoni

    Joseph K. Mwatha;Gachuhi Kimani;Timothy Kamau;Gabriel G. Mbugua

  • Relationships between Plasmodium Falciparum Transmission by Vector Populations and the Incidence of Severe Disease at Nine Sites on the Kenyan Coast

    Charles N. M. Mbogo;Robert W. Snow;Canute P. M. Khamala;Ephantus W. Kabiru

  • Adult resistance to schistosomiasis mansoni: age-dependence of reinfection remains constant in communities with diverse exposure patterns.

    N. B. Kabatereine;B. J. Vennervald;J. H. Ouma;J. Kemijumbi

  • In utero exposure to helminth and mycobacterial antigens generates cytokine responses similar to that observed in adults.

    Indu Malhotra;John Ouma;Alex Wamachi;John Kioko

  • Immunity in human schistosomiasis mansoni: prevention by blocking antibodies of the expression of immunity in young children.

    A. E. Butterworth;R. Bensted-Smith;A. Capron;M. Capron

  • Immunity after treatment of human schistosomiasis: association between cellular responses and resistance to reinfection.

    M. Roberts;A. E. Butterworth;G. Kimani;T. Kamau

  • Can prenatal malaria exposure produce an immune tolerant phenotype?: A prospective birth cohort study in Kenya

    Indu Malhotra;Arlene Elizabeth Dent;Peter Mungai;Alex Wamachi

  • Double-blind placebo-controlled study of concurrent administration of albendazole and praziquantel in schoolchildren with schistosomiasis and geohelminths.

    G. R. Olds;C. King;J. Hewlett;R. Olveda

  • IL-13 receptor α 2 down-modulates granulomatous inflammation and prolongs host survival in schistosomiasis

    Margaret M. Mentink-Kane;Allen W. Cheever;Robert W. Thompson;Danielle M. Hari

  • Morbidity in schistosomiasis: an update.

    Birgitte J Vennervald;David W Dunne

  • B Cell Sensitization to Helminthic Infection Develops In Utero in Humans

    Christopher L. King;Indu Malhotra;Peter Mungai;Alex Wamachi

  • Immunity in human schistosomiasis mansoni. Regulation of protective immune mechanisms by IgM blocking antibodies.

    J Khalife;M Capron;A Capron;J M Grzych

  • Spatial patterns of urinary schistosomiasis infection in a highly endemic area of coastal Kenya.

    Julie A. Clennon;Charles Harding King;Eric M. Muchiri;H. Curtis Kariuki

  • Puberty and Age-related Changes in Susceptibility to Schistosome Infection

    A.J.C. Fulford;M. Webster;J.H. Ouma;G. Kimani

Frequent Co-Authors

David W. Dunne
David W. Dunne University of Cambridge
Birgitte J. Vennervald
Birgitte J. Vennervald University of Copenhagen
Eric M. Muchiri
Eric M. Muchiri Case Western Reserve University
Anthony E. Butterworth
Anthony E. Butterworth University of Cambridge
Christopher L. King
Christopher L. King Case Western Reserve University
Charles H. King
Charles H. King Case Western Reserve University
Narcis B. Kabatereine
Narcis B. Kabatereine Imperial College London
Robert W. Snow
Robert W. Snow Kenya Medical Research Institute
James W. Kazura
James W. Kazura Case Western Reserve University
John C. Beier
John C. Beier University of Miami

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