Ministry of Health
63 publications · 387 citations · ORCID 0000-0003-1633-7911
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Nana Yaw Peprah is a public health researcher specializing in malaria epidemiology, surveillance, and control strategies in Ghana. Peprah's work encompasses therapeutic efficacy monitoring, spatial analysis of disease transmission, and the evaluation of intervention programs such as seasonal malaria chemoprevention and mass drug administration. Additionally, Peprah has contributed to studies on health system efficiency and the surveillance of other infectious diseases like tuberculosis and pneumonia.
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Why this gap exists: While Abstract [7] compares diagnostic criteria and Abstract [4] compares 75g and 100g OGTTs, the retrieved evidence lacks direct, comparative studies on the cost-effectiveness and relative efficacy of the one-step versus two-step *approaches* in preventing adverse outcomes, leaving the specific question unresolved.
Sources
Why this gap exists: While the retrieved literature confirms associations between water quality and child growth (e.g., Abstracts 2, 5, 8), no study directly compares the efficacy of household water treatment interventions against improved water source infrastructure for reducing stunting, leaving the specific comparative question unresolved.
Sources
Why this gap exists: While recent reviews [8] confirm GDM alters maternal gut microbiota and neonatal health, and older studies [0] note dysbiosis across maternal sites, the retrieved evidence lacks direct, longitudinal studies correlating specific gestational maternal microbiota profiles with the *long-term* metabolic health of offspring, leaving the core question unresolved.
Sources
Why this gap exists: While the retrieved papers confirm the individual importance of WASH access for child nutrition [0], maternal undernutrition for child development [5, 8], and the critical nature of the first 1,000 days [5], none of the provided abstracts directly analyze the specific mediating role of water and sanitation facilities in the relationship between maternal undernutrition and child developmental outcomes.
Sources
Why this gap exists: While the retrieved literature consistently establishes that maternal gestational diabetes mellitus (GDM) increases the long-term risk of cardiometabolic diseases in offspring [1][2][3], it focuses primarily on pathogenesis and risk association rather than defining specific, evidence-based long-term treatment strategies for the children to mitigate these risks.
Sources
Why this gap exists: While recent studies confirm associations between maternal mental health and microbiota composition (Abstract 5, 8) and suggest the microbiome-gut-brain axis influences neurodevelopment (Abstract 0, 2), the retrieved evidence does not contain studies that directly test the mediating role of maternal microbiota changes between perinatal anxiety/depression and offspring neurodevelopmental outcomes.
Sources
Research Square · 2026
medRxiv · 2026
Figshare · 2026
Malaria Journal · 2026
Malaria Journal · 2026
Figshare · 2026
Factors associated with access to improved water and sanitation in 31 sub-Saharan African countries
International Health · 2026
International Journal of Epidemiology · 2026
Frontiers in Public Health · 2026
Figshare · 2026
Figshare · 2026
Open MIND · 2026
Figshare · 2026
Research Square · 2026
medRxiv · 2025 · 3 citations
Malaria Journal · 2025 · 2 citations
medRxiv · 2025 · 1 citations
Research Square · 2025
medRxiv · 2025
Malaria Journal · 2025
Journal of Emergency Medicine Open Access · 2025
Malaria Journal · 2024 · 12 citations
PLoS ONE · 2024 · corresponding author · 8 citations
Malaria Journal · 2024 · corresponding author · 7 citations
PLOS Global Public Health · 2024 · corresponding author · 4 citations
PLoS ONE · 2024 · 4 citations
medRxiv · 2024 · 2 citations
BMC Health Services Research · 2024 · 2 citations
Patterns and predictors of malaria among head porters: a mobile population in Ghana
Malaria Journal · 2024 · 1 citations
Frontiers in Public Health · 2023 · 13 citations
Frontiers in Cellular and Infection Microbiology · 2023 · 13 citations
Cost of inappropriate prescriptions for uncomplicated malaria in Ghana
Malaria Journal · 2023 · 6 citations
Frontiers in Public Health · 2023 · 6 citations
Research Square · 2023 · 3 citations
Parasites & Vectors · 2022 · 19 citations
Creating interventions to transition long-lasting insecticide net distribution in Ghana
BMJ Open · 2022 · 12 citations
American Journal of Tropical Medicine and Hygiene · 2022 · 10 citations
Creating Interventions to Transition Long Lasting Insecticide Net Distribution in Ghana
Research Square · 2022
Cost of Inappropriate Prescriptions for Uncomplicated Malaria in Ghana
Research Square · 2022
BMJ Global Health · 2021 · 31 citations
Malaria Journal · 2021 · 23 citations
BMC Public Health · 2021 · 20 citations
PLoS ONE · 2021 · 13 citations
Efficiency of malaria service delivery in selected district-level hospitals in Ghana
Health Systems · 2021 · 6 citations
Research Square · 2021
Cost of Inappropriate Prescriptions for Malaria in Ghana
Research Square · 2021
Effect of In-service training intervention and SMS messages on Malaria case management
Figshare · 2021
Ghana Medical Journal · 2020 · 8 citations
Tuberculosis surveillance system evaluation: case of Ga West municipality, Ghana, 2011 to 2016
Ghana Medical Journal · 2020 · 5 citations
Ten-year trend of mortality among patients hospitalized with Malaria in Ghana,
Research Square · 2020
BMC Pregnancy and Childbirth · 2019 · 23 citations
Research Square · 2019
Research Square · 2019
Research Square · 2019
PLoS ONE · 2018 · 70 citations
Journal of Interventional Epidemiology and Public Health · 2018 · 1 citations
Malaria Journal · 2016 · 52 citations
Pattern of diarrheal diseases in Atwima Nwabiagya District-Ghana, 2009- 2013
Pan African Medical Journal · 2016 · 4 citations
2015 · corresponding author · 3 citations