Publications by authors named "Abdulaziz Mohammed"

To assess the impact of the SARS-CoV-2 booster dose on the immune response against COVID-19, we conducted a cross-sectional study in the Casablanca-Settat region of Morocco. The study included 2,802 participants from 16 provinces, all of whom had received three doses of a SARS-CoV-2 vaccine. IgG antibodies targeting the S1 RBD subunit of the SARS-CoV-2 spike protein were quantified using the SARS-CoV-2 IgG II Quant assay and measured on the Abbott Architect i2000SR instrument.

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Article Synopsis
  • African health systems need more money to get ready for future health emergencies, especially after COVID-19 showed that many countries, especially in Africa, struggle to get proper medical help.
  • The African Union has set up programs like the Africa Medical Supplies Platform to help countries get COVID-19 supplies and vaccines.
  • There are also global projects like the Pandemic Fund to support countries during health crises, but some say these funds aren’t doing enough to help countries get better prepared.
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Background: Extra-pyramidal side effects, sexual dysfunctions and hyperprolactinaemia are major side effects with the use of antipsychotic medications that impede treatment adherence leading to relapse, increased cost of care and rehospitalization among patients with schizophrenia on antipsychotic medications. The study aims to compare the prevalence of extra-pyramidal side effects (EPSE), sexual dysfunctions (SD) and hyperprolactinaemia (HPRL) among patients with schizophrenia spectrum disorders on typical and atypical antipsychotic medications. The secondary aim is to determine if any associations exist between extra-pyramidal side effects, sexual dysfunctions and hyperprolactinaemia.

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Background: Data on COVID-19 vaccine effectiveness to support regional vaccine policy and practice are limited in Africa. Thus, this review aimed to evaluate the efficacy and effectiveness of COVID-19 vaccines administered in Africa.

Methods: We systematically searched peer-reviewed randomized controlled trials (RCTs), prospective and retrospective cohort studies, and case-control studies that reported on VE in Africa.

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Delivering COVID-19 vaccines with 4-6 weeks shelf life remains one of Africa's most pressing challenges. The Africa Centres for Disease Control and Prevention (Africa CDC) leadership recognised that COVID-19 vaccines donated to many African countries were at risk of expiry considering the short shelf life on delivery in the Member States and slow vaccine uptake rates. Thus, a streamlined rapid response system, the urgent support mechanism, was developed to assist countries accelerate COVID-19 vaccine uptake.

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Assessing the prevalence of SARS-CoV-2 IgG positivity through population-based serological surveys is crucial for monitoring COVID-19 vaccination efforts. In this study, we evaluated SARS-CoV-2 IgG positivity within a provincial cohort to understand the magnitude of the humoral response against the SARS-CoV-2 vaccine and to inform evidence-based public health decisions. A community-based cross-sectional seroprevalence study was conducted, involving 10,669 participants who received various vaccines (two doses for BBIBP-CorV/Sinopharm, Covishield vaccine, and Pfizer/BioNTech, and one dose for Johnson & Johnson's Janssen COVID-19 vaccine).

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Background: Hyperprolactinaemia among patients on antipsychotic medications is generally overlooked due to lack of outwardly visible symptoms, patient resistance to reporting because the symptoms are perceived as shameful, or to clinician's insufficient knowledge.

Aim: The study aimed to evaluate the patterns and correlates of hyperprolactinemia among patients with schizophrenia on antipsychotic medications.

Setting: The study was conducted in a psychiatric facility in Maiduguri, Northeastern Nigeria.

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Article Synopsis
  • Non-adherence to antipsychotic medication significantly contributes to poor treatment outcomes and increased costs associated with mental illness, particularly in schizophrenia patients.
  • A study involving 209 individuals with schizophrenia revealed that 56.9% of them were non-adherent to their medications, with factors like age, number of drugs, and illness severity influencing adherence levels.
  • The research emphasizes the need for enhanced psychosocial support for patients and their caregivers to improve medication adherence and overall treatment success.
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Inadequate supply of PPE, vaccines, and diagnostics during the COVID-19 pandemic in Africa created an opportunity to promote local manufacturing. Authors describe Africa CDC's contributions and highlight strategies for strengthening the pandemic response.

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Background: An improved estimation of the clinical sequelae of SARS-CoV-2 infection is crucial in African countries, where the subject has received little attention despite more than 12 million reported cases and evidence that many more people were infected. We reviewed the evidence on prevalence, associated risk factors for long COVID, and systemic or sociocultural determinants of reporting long COVID.

Methods: We conducted a systematic review, searching PubMed, the Living OVerview of Evidence platform, and grey literature sources for publications from Dec 1, 2019, to Nov 23, 2022.

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A 32-year-old male was brought to our emergency department following trauma due to fall of heavy object (tree) on his back. After Advanced Trauma Life Support (ATLS) protocol implementation, the patient was noted to have a complete perianal tear and loss of power in L3-S1 measuring 1/5 complete loss of sensation below the level of L2. Imaging showed spinopelvic dissociation with cauda equina syndrome.

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A continent-wide Africa Task Force for Coronavirus with its six technical working groups was formed to prepare adequately and respond to the novel Coronavirus disease (COVID-19) outbreak in Africa. This research in practice article aimed to describe how the infection prevention and control (IPC) technical working group (TWG) supported Africa Centre for Disease Control and Prevention (Africa CDC) in preparedness and response to COVID-19 on the continent. To effectively address the multifaceted IPC TWG mandate of organizing training and implementing rigorous IPC measures at healthcare service delivery points, the working group was sub-divided into four sub-groups-Guidelines, Training, Research, and Logistics.

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Background: Strengthening infection prevention and control (IPC) capacity was identified as a key intervention to prepare African Union member states to curb the COVID-19 pandemic. As part of the Africa Taskforce for Coronavirus, which helped implement the Africa Joint Continental Strategy for COVID-19 Outbreak response, the IPC Technical Working Group (IPC TWG) was convened to coordinate the development of IPC core components for preparedness, response, and recovery from COVID-19. As part of the IPC TWG's work, the Africa Centres for Disease Control and Prevention, in collaboration with the Infection Control Africa Network, delivered virtual IPC training sessions targeted to African Union member states.

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Africa remains one of the regions with the highest incident and burden of snakebite. The goal of the World Health Organization to halve the global burden of snakebite by 2030 can only be achieved if sub-optimal access to antivenoms in the most affected regions is addressed. We identified upstream, midstream, and downstream factors along the antivenom value chain that prevent access to antivenoms in the African region.

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Article Synopsis
  • The study investigates the use of recycled construction cementitious materials (RCCM) and red mud (RM) as eco-friendly alternatives to traditional materials in alkali-activated slag cement mixtures, reducing the environmental impact of construction waste.
  • Two experimental batches were created, one incorporating only RCCM and the other combining RCCM and RM, with results indicating that the combination can significantly enhance compressive strength by up to 42.2% when optimized proportions are used.
  • The findings reveal that while increasing RCCM and RM negatively affects workability, it improves drying shrinkage and mechanical strength, suggesting that these materials can serve as sustainable substitutes in construction.
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Lack of interoperability and integration between heterogeneous health systems is a big challenge to realize the potential benefits of eHealth. To best move from siloed applications to interoperable eHealth solutions, health information exchange (HIE) policy and standards are necessary to be established. However, there is no comprehensive evidence on the current status of HIE policy and standards on the African continent.

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