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Nnennaya Anthony Ajayi

Observed names: Ajayi Nnennaya A, Ajayi, Nnennaya, Ajayi, Nnennaya A., Ajayi, Nnennaya Anthony, N A Ajayi, N. Ajayi, NA Ajayi, Nnennaya A Ajayi, Nnennaya A. Ajayi, Nnennaya Ajayi
Observed institutions: Liverpool School of Tropical Medicine, Federal Ministry of Health, Sorbonne Université, University of Oxford, London School of Hygiene & Tropical Medicine, Alliance for International Medical Action, Luxembourg Institute of Health, Hôpital Saint-Antoine, University Medical Center Hamburg-Eppendorf, Médecins Sans Frontières, Irrua Specialist Teaching Hospital, Federal Teaching Hospital Abakaliki, Alex Ekwueme Federal University, Ndufu-Alike, Ebonyi State University
ORCID: 0000-0002-2298-5846
Observed ORCID: 0000-0002-2298-5846
OpenAlex ID: A5029459585
A year of genomic surveillance reveals how the SARS-CoV-2 pandemic unfolded in Africa
2021 · Eduan Wilkinson, Marta Giovanetti, et al. · Science · 217
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The evolving SARS-CoV-2 epidemic in Africa: Insights from rapidly expanding genomic surveillance
2022 · Houriiyah Tegally, James E. San, et al. · Science · 192
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Containing a Lassa fever epidemic in a resource-limited setting: outbreak description and lessons learned from Abakaliki, Nigeria (January–March 2012)
2013 · Nnennaya A. Ajayi, Chinedu G. Nwigwe, et al. · International Journal of Infectious Diseases · 114
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Widespread arenavirus occurrence and seroprevalence in small mammals, Nigeria
2018 · Ayodeji Olayemi, Akinlabi Oyeyiola, et al. · Parasites & Vectors · 63
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Possible artemisinin-based combination therapy-resistant malaria in Nigeria: a report of three cases
2013 · Nnennaya Anthony Ajayi, Kingsley Nnanna Ukwaja · Revista da Sociedade Brasileira de Medicina Tropical · 35
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Ebola viral disease in Nigeria: The panic and cultural threat
2014 · OdidikaU J Umeora, MaryjoanneChinyem Umeora, et al. · African Journal of Medical and Health Sciences · 27
Humoral and cellular immune responses to Lassa fever virus in Lassa fever survivors and their exposed contacts in Southern Nigeria
2022 · Chinedu Ugwu, Testimony Olumade, et al. · Scientific Reports · 23
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Lassa fever in pregnancy with a positive maternal and fetal outcome: A case report
2019 · Joseph Agboeze, Matthew Igwe Nwali, et al. · International Journal of Infectious Diseases · 19
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Lassa fever – full recovery without ribavarin treatment: a case report
2015 · NA Ajayi, KN Ukwaja, et al. · African Health Sciences · 16
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Field evaluation of validity and feasibility of Pan-Lassa rapid diagnostic test for Lassa fever in Abakaliki, Nigeria: a prospective diagnostic accuracy study
2024 · Jelte Elsinga, Temmy Sunyoto, et al. · The Lancet Infectious Diseases · 15
Early onset of neurological features differentiates two outbreaks of Lassa fever in Ebonyi state, Nigeria during 2017–2018
2021 · Nneka M. Chika-Igwenyi, Rebecca E. Harrison, et al. · PLoS neglected tropical diseases · 14
Endoscopic Findings And The Frequency Of Helicobacter Pylori Among Dyspeptic Patients In Maiduguri, North-Eastern Nigeria
2008 · S K Mustapha, N A Ajayi, et al. · Highland Medical Research Journal · 14
Aetiology of Upper Gastrointestinal Bleeding in North-Eastern Nigeria: A Retrospective Review of Endoscopic Findings
2009 · SK Mustapha, Nnennaya Anthony Ajayi, et al. · Nigerian Journal of Gastroenterology and Hepatology · 12
A standardised Phase III clinical trial framework to assess therapeutic interventions for Lassa fever
2022 · Adebola Tolulope Olayinka, Josephine Bourner, et al. · PLoS neglected tropical diseases · 10
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Cutaneous metastasis from hepatocellular carcinoma: a rare presentation and review of the literature.
2006 · H A Nggada, N A Ajayi · PubMed · 10
Immunological insights into COVID-19 in Southern Nigeria
2024 · Chinedu A. Ugwu, Oluwasina Alao, et al. · Frontiers in Immunology · 7
Fine needle aspiration cytology diagnosis of liver diseases in the University of Maiduguri Teaching Hospital, Maiduguri.
2004 · H A Nggada, N A Ajayi, et al. · PubMed · 6
Atypical Mpox in a Nigerian Tertiary Health Facility
2023 · Nneka M Chika-Igwenyi, Uche S Unigwe, et al. · The Journal of Infectious Diseases · 5
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The West Africa Lassa fever Consortium pre-positioned protocol for a Phase II/III adaptive, randomised, controlled, platform trial to evaluate multiple Lassa fever therapeutics
2023 · Josephine Bourner, Alex Paddy Salam, et al. · Wellcome Open Research · 5
Lower gastrointestinal endoscopy in Enugu, Nigeria: an experience with 151 cases
2017 · N. G. A. Picardo, Nnennaya Anthony Ajayi, et al. · Nigerian Journal of Gastroenterology and Hepatology · 5
Endoscopy capacity in Nigeria: a national needs assessment and recommendations
2025 · Olusegun Isaac Alatise, Harris Allen, et al. · Surgical Endoscopy · 4
Evaluation of clinicians’ knowledge of and attitudes to Ebola virus disease in Ebonyi State, Nigeria
2019 · Nnennaya Anthony Ajayi, Chiedozie Kingsley Ojide, et al. · Journal of Virus Eradication · 4
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Evaluation of clinicians’ reporting proficiency and their risk perceptions of Ebola virus disease in Ebonyi State, Nigeria
2017 · Nnennaya Anthony Ajayi, Chiedozie Kingsley Ojide, et al. · GERMS · 4
Adaptive Design for Phase II/III Platform Trial of Lassa Fever Therapeutics
2025 · Josephine Bourner, Michel Vaillant, et al. · Emerging infectious diseases · 3
The Role of Partnership in Lassa Fever Prevention and Control in a Tertiary Health Facility in Southeastern Nigeria
2022 · Azuka Stephen Adeke, Nnennaya A. Ajayi, et al. · Nigerian Journal of Medicine · 3
Works count: 45
Citation count: 835
H-index: 12
I10-index: 15
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