237 results match your criteria: "Institute of Human Virology Nigeria[Affiliation]"

Introduction: Adolescent HIV prevention and treatment is a high priority for youth healthcare in sub-Saharan Africa.

Methods: This study employed concept mapping to identify factors that impact the implementation of HIV prevention and intervention programs for adolescents in sub-Saharan Africa. Key stakeholders including researchers, policymakers, and non-governmental organization (NGO) personnel constituting membership of the NIH-sponsored Adolescent HIV Prevention and Treatment Implementation Science Alliance responded to the question: "In your experience, what factors have facilitated or hindered implementation of evidence-based HIV prevention or treatment for adolescents in sub-Saharan Africa?" Participants generated statements in response to the focus question, sorted them into thematically relevant groups, and rated each statement on its importance and changeability.

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Background: This study assessed the association of mental health problems and risk indicators of mental health problems with caries experience and moderate/severe gingivitis in adolescents.

Methods: A cross-sectional household survey was conducted in Osun State, Nigeria. Data collected from 10 to 19-years-old adolescents between December 2018 and January 2019 were sociodemographic variables (age, sex, socioeconomic status); oral health indicators (tooth brushing, use of fluoridated toothpaste, consumption of refined carbohydrates in-between-meals, dental services utilization, dental anxiety and plaque); mental health indicators (smoking habits, intake of alcohol and use of psychoactive drugs) and mental health problems (low and high).

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Addressing gaps in adolescent tuberculosis programming and policy in Nigeria from a public health perspective.

Int J Adolesc Med Health

April 2021

National TB and Leprosy Control Programme, Federal Ministry of Health, Abuja, Nigeria.

Objectives: Tuberculosis (TB) is a leading infectious cause of death globally. Of the estimated 10 million people who developed active TB in 2019, 1.8 million (18%) were adolescents and young adults aged 15-24 years.

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Introduction: Sexual and oral health are important areas of focus for adolescent wellbeing. We assessed for the prevalence of sexual abuse among adolescents, oral health factors associated with this history, and investigated whether sexual abuse was a risk indicator for dental anxiety, caries experience and poor oral hygiene.

Methods: This was a cross-sectional study conducted between December 2018 and January 2019 among adolescents 10-19 years old in Ile-Ife, Nigeria.

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Accurate SARS-CoV-2 serological assays are critical for COVID-19 serosurveillance. However, previous studies have indicated possible cross-reactivity of these assays, including in areas where malaria is endemic. We tested 213 well-characterized prepandemic samples from Nigeria using two SARS-CoV-2 serological assays, Abbott Architect IgG and Euroimmun NCP IgG assay, both targeting SARS-CoV-2 nucleocapsid protein.

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Bacille Calmette-Guérin (BCG) vaccine and potential cross-protection against SARS-CoV-2 infection - Assumptions, knowns, unknowns and need for developing an accurate scientific evidence base.

Int J Infect Dis

December 2021

Department of Medicine, Therapeutics, Dermatology and Psychiatry, Kenyatta University, Nairobi, Kenya; Division of Infection and Immunity, University College London, London, UK; NIHR Biomedical Research Centre, University College London Hospitals, London, UK. Electronic address:

After a century of controversies on its usefulness in protection against TB, underlying mechanisms of action, and benefits in various groups and geographical areas, the BCG vaccine is yet again a focus of global attention- this time due to the global COVID-19 pandemic caused by the novel severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). Recent studies have shown that human CD4+ and CD8+ T-cells primed with a BCG-derived peptide developed high reactivity to its corresponding SARS-CoV-2-derived peptide. Furthermore, BCG vaccine has been shown to substantially increase interferon-gamma (IFN-g) production and its effects on CD4+ T-cells and these non-specific immune responses through adjuvant effect could be harnessed as cross protection against severe forms of COVID-19.

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Scaling Up Covid-19 Vaccination in Africa - Lessons from the HIV Pandemic.

N Engl J Med

July 2021

From the Departments of Epidemiology and of Infectious Diseases and Microbiology and the Center for Global Health, University of Pittsburgh Graduate School of Public Health (J.B.N.); and the Division of Infectious Diseases, Department of Medicine, University of Pittsburgh School of Medicine (J.W.M.) - both in Pittsburgh; the Department of Medicine and the Center for Infectious Diseases, Stellenbosch University, Faculty of Medicine and Health Sciences, Cape Town, South Africa (J.B.N.); the Departments of Epidemiology and International Health, Johns Hopkins Bloomberg School of Public Health (J.B.N.), and the Department of Pediatrics and the Institute of Human Virology, University of Maryland School of Medicine (N.A.S.-A.) - both in Baltimore; the Pediatric/Adolescent HIV Unit and International Research Center of Excellence, Institute of Human Virology Nigeria, Abuja, Nigeria (N.A.S.-A.); the Department of Pediatrics and Child Health, School of Medical Sciences, University of Cape Coast, Cape Coast, Ghana (N.A.S.-A.); the Division of Infection and Immunity, University College London, and the NIHR Biomedical Research Centre, University College London Hospitals - both in London (A.Z.); the African Forum for Research and Education in Health, Kumasi, Ghana (J.B.N., N.A.S.-A., A.Z.); and the Elizabeth Glaser Pediatric AIDS Foundation, Washington, DC (L.M.M.).

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Objectives: We describe the prevalence, and individual and familial risk indicators for dental caries and gingivitis among 10-19-year-old adolescents in Ile-Ife, South-West Nigeria.

Methods: This cross-sectional study collected data through household surveys conducted between December 2018 and January 2019. Adolescents were recruited through multistage sampling.

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Minimizing the impact of the triple burden of COVID-19, tuberculosis and HIV on health services in sub-Saharan Africa.

Int J Infect Dis

December 2021

Division of Infection and Immunity, University College London, London, UK; NIHR Biomedical Research Centre, University College London Hospitals, London, UK. Electronic address:

In this perspective, we discuss the impact of COVID-19 on tuberculosis (TB)/HIV health services and approaches to mitigating the growing burden of these three colliding epidemics in sub-Saharan Africa (SSA). SSA countries bear significantly high proportions of TB and HIV cases reported worldwide, compared to countries in the West. Whilst COVID-19 epidemiology appears to vary across Africa, most countries in this region have reported relatively lower-case counts compared to the West.

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Global Tuberculosis Report 2020 - Reflections on the Global TB burden, treatment and prevention efforts.

Int J Infect Dis

December 2021

Department of Infection, Division of Infection and Immunity, University College London, and NIHR Biomedical Research Centre, University College London Hospitals NHS Foundation Trust, London, United Kingdom. Electronic address:

The October 2020 Global TB report reviews TB control strategies and United Nations (UN) targets set in the political declaration at the September 2018 UN General Assembly high-level meeting on TB held in New York. Progress in TB care and prevention has been very slow. In 2019, TB remained the most common cause of death from a single infectious pathogen.

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Objective: The COVID-19 pandemic is a biosecurity threat, and many resource-rich countries are stockpiling and/or making plans to secure supplies of vaccine, therapeutics, and diagnostics for their citizens. We review the products that are being investigated for the prevention, diagnosis, and treatment of COVID-19; discuss the challenges that countries in sub-Saharan Africa may face with access to COVID-19 vaccine, therapeutics, and diagnostics due to the limited capacity to manufacture them in Africa; and make recommendations on actions to mitigate these challenges and ensure health security in sub-Saharan Africa during this unprecedented pandemic and future public-health crises.

Main Body: Sub-Saharan Africa will not be self-reliant for COVID-19 vaccines when they are developed.

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Globally, there are prevailing knowledge gaps in the epidemiology, clinical manifestations, and outcomes of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection among children and adolescents; and these gaps are especially wide in African countries. The availability of robust age-disaggregated data is a critical first step in improving knowledge on disease burden and manifestations of coronavirus disease 2019 (COVID-19) among children. Furthermore, it is essential to improve understanding of SARS-CoV-2 interactions with comorbidities and coinfections such as human immunodeficiency virus (HIV), tuberculosis, malaria, sickle cell disease, and malnutrition, which are highly prevalent among children in sub-Saharan Africa.

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Most African countries have recorded relatively lower COVID-19 burdens than Western countries. This has been attributed to early and strong political commitment and robust implementation of public health measures, such as nationwide lockdowns, travel restrictions, face mask wearing, testing, contact tracing, and isolation, along with community education and engagement. Other factors include the younger population age strata and hypothesized but yet-to-be confirmed partially protective cross-immunity from parasitic diseases and/or other circulating coronaviruses.

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Objective: None of the past studies that had showed a linked between oral and mental health among adolescents was conducted in Nigeria. The objective of this study was to determine the association between gingivitis and depression among adolescents in Ile-Ife, South-West Nigeria.

Methods: This cross-sectional study collected data through a household survey conducted between December 2018 and January 2019.

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Background: Despite progress in tuberculosis (TB) control globally, TB continues to be a leading cause of death from infectious diseases, claiming 1.2 million lives in 2018; 214,000 of these deaths were due to drug resistant strains. Of the estimated 10 million cases globally in 2018, 24% were in Africa, with Nigeria and South Africa making up most of these numbers.

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Field evaluation of HIV-1 viral load monitoring in adults and children receiving antiretroviral treatment in Nigeria by dried blood spot testing with RealTime HIV-1 on m2000.

J Clin Virol

February 2021

Institute of Human Virology Nigeria, Abuja, Federal Capital Territory, Nigeria; Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA; Africa Centers for Disease Control and Prevention (Africa CDC), African Union Commission, Addis Ababa, Ethiopia; Kanazawa University, Graduate Medical Sciences, Kanazawa, Japan. Electronic address:

In resource-limited settings, use of dried blood spots (DBS) could be a pragmatic alternative to plasma for VL monitoring in people living with HIV (PLWH). We compared results from DBS to standard plasma VL testing under field conditions in patients receiving antiretroviral therapy (ART). DBS cards were prepared from venous blood (V-DBS), finger-pricks using micro-capillary tubes (M-DBS), and direct spotting (D-DBS).

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The interconnectedness of oral, mental, sexual, and reproductive health (OMSRH) in adolescents prompts exploration of novel approaches to facilitate comprehensive access of this population to the relevant health services. This paper proposes an integrated one-stop-shop approach to increasing adolescents' access to OMSRH care by leveraging on dental clinics as a template for integration, using a non-stigmatized platform to deliver stigmatized healthcare. Novel healthcare delivery models are needed to enhance adolescents' access to the comprehensive prevention and treatment services that they critically need.

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In the African context, there is a paucity of data on SARS-CoV-2 infection and associated COVID-19 in pregnancy. Given the endemicity of infections such as malaria, HIV, and tuberculosis (TB) in sub-Saharan Africa (SSA), it is important to evaluate coinfections with SARS-CoV-2 and their impact on maternal/infant outcomes. Robust research is critically needed to evaluate the effects of the added burden of COVID-19 in pregnancy, to help develop evidence-based policies toward improving maternal and infant outcomes.

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Introduction: Persistent low rates of case notification and treatment coverage reflect that accessing diagnosis and treatment for drug-resistant tuberculosis (DR-TB) in Nigeria remains a challenge, even though it is provided free of charge to patients. Equity in health access requires availability of comparable, appropriate services to all, based on needs, and irrespective of socio-demographic characteristics. Our study aimed to identify the reasons for Nigeria's low rates of case-finding and treatment for DR-TB.

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