| A year of genomic surveillance reveals how the SARS-CoV-2 pandemic unfolded in Africa S E. Wilkinson et al. Science 10, 2021 | 219* | 2021 |
| Containing a Lassa fever epidemic in a resource-limited setting: outbreak description and lessons learned from Abakaliki, Nigeria (January–March 2012) NA Ajayi, CG Nwigwe, BN Azuogu, BN Onyire, EU Nwonwu, ... International Journal of Infectious Diseases 17 (11), e1011-e1016, 2013 | 147 | 2013 |
| The evolving SARS-CoV-2 epidemic in Africa: Insights from rapidly expanding genomic surveillance H Tegally, JE San, M Cotten, M Moir, B Tegomoh, G Mboowa, DP Martin, ... Science 378 (6615), eabq5358, 2022 | 124 | 2022 |
| Endoscopic findings and the frequency of Helicobacter pylori among dyspeptic patients in North-Eastern Nigeria SK Mustapha, MT Bolori, N Ajayi, H Nggada, U Pindiga, W Gashau, ... The internet journal of gastroenterology 6 (1), 24-29, 2007 | 72 | 2007 |
| Widespread arenavirus occurrence and seroprevalence in small mammals, Nigeria A Olayemi, A Oyeyiola, A Obadare, J Igbokwe, AS Adesina, F Onwe, ... Parasites & vectors 11, 1-9, 2018 | 59 | 2018 |
| Possible artemisinin-based combination therapy-resistant malaria in Nigeria: a report of three cases NA Ajayi, KN Ukwaja Revista da sociedade Brasileira de medicina Tropical 46 (4), 525-527, 2013 | 48 | 2013 |
| Genetic characterization of Lassa virus strains isolated from 2012 to 2016 in southeastern Nigeria OK Oloniniyi, US Unigwe, S Okada, M Kimura, S Koyano, Y Miyazaki, ... PLoS neglected tropical diseases 12 (11), e0006971, 2018 | 47 | 2018 |
| Ebola viral disease in Nigeria: The panic and cultural threat O Umeora, N Emma-Echiegu, M Umeora, N Ajayi African Journal of Medical and Health Sciences 13 (1), 2014 | 37 | 2014 |
| Hepatocellular carcinoma in North Eastern Nigeria; A prospective clinical study of 100 cases S Mustapha, M Bolori, N Ajayi, A Ngadda, U Pindiga, W Gashau The Internet Journal of Gastroenterology 6 (1), 2007 | 31 | 2007 |
| Lassa fever–full recovery without ribavarin treatment: a case report NA Ajayi, KN Ukwaja, NA Ifebunandu, R Nnabu, FI Onwe, DA Asogun African Health Sciences 14 (4), 1074-1077, 2014 | 30 | 2014 |
| Aetiology of upper gastrointestinal bleeding in north-eastern nigeria: a retrospective endoscopic study S Mustapha, N Ajayi, A Shehu The Internet Journal of Third World Medicine 8 (2), 1-9, 2009 | 27 | 2009 |
| Development of an RT-LAMP assay for the detection of Lassa viruses in southeast and south-central Nigeria. YJ Pemba CN, Kurosaki Y, Yoshikawa R, Oloniniyi OK, Urata S, Sueyoshi M ... Journal of Virological Methods 269, 30-37, 2019 | 19 | 2019 |
| Level of awareness, and factors associated with willingness to participate in the National Health Insurance Scheme among traders in Abakaliki main market BNM AZuogu, UC Madubueze, C Alo, LU Ogbonnaya, NA Ajayi Ebonyi State, Nigeria, 2016 | 19 | 2016 |
| Lassa fever in pregnancy with a positive maternal and fetal outcome: A case report J Agboeze, MI Nwali, E Nwakpakpa, OE Ogah, R Onoh, J Eze, ... International Journal of Infectious Diseases 89, 84-86, 2019 | 17 | 2019 |
| Emergence and spread of two SARS-CoV-2 variants of interest in Nigeria IB Olawoye, PE Oluniyi, JU Oguzie, JN Uwanibe, TA Kayode, TJ Olumade, ... Nature communications 14 (1), 811, 2023 | 16 | 2023 |
| Cutaneous metastasis from hepatocellular carcinoma: a rare presentation and review of the literature HA Nggada, NA Ajayi COLLEGE OF MEDICINE, 2006 | 15 | 2006 |
| Indications for an endoscopic findings in patients with symptoms of upper gastrointestinal disease in a Tertiary Hospital in South-Eastern Nigeria NG Picardo, NA Ajayi Afr J Med Health Sci 14 (2), 96-100, 2015 | 14 | 2015 |
| Aetiology of Upper Gastrointestinal Bleeding in North Eastern Nigeria: A Retrospective Review of Endoscopic Findings SK Mustapha, N Ajayi, YB Jibrin, A Shehu Nigerian Journal of Gastroenterology and Hepatology 2009; 1(2): 75-78. 1 (2 …, 2009 | 13* | 2009 |
| Early onset of neurological features differentiates two outbreaks of Lassa fever in Ebonyi state, Nigeria during 2017–2018 NM Chika-Igwenyi, RE Harrison, C Psarra, J Gil-Cuesta, M Gulamhusein, ... PLoS neglected tropical diseases 15 (3), e0009169, 2021 | 12 | 2021 |
| Hepatitis C virus antibodies in Nigerians with hepatocellular carcinoma SK Mustapha, MT Bolori, NA Ajayi, HA Nggada, UH Pindiga, W Gashau, ... The Internet Journal of Oncology 4 (2), 2007 | 9 | 2007 |
