RESEARCHER PROFILE

John Demby Sandi

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J

University of Sierra Leone

Viral Infections and Outbreaks ResearchViral Infections and VectorsVirology and Viral DiseasesBiosensors and Analytical DetectionSARS-CoV-2 and COVID-19 Research

John Demby Sandi works in Viral Infections and Outbreaks Research, Viral Infections and Vectors, Virology and Viral Diseases, Biosensors and Analytical Detection, SARS-CoV-2 and COVID-19 Research. Recorded institutional associations include University of Sierra Leone, Njala University, Ministry of Health and Sanitation.

36Publications
1,049Citations
18H-index

Inclusion identifies researchers whose recorded research contributions may inform their university’s understanding of its research community. It does not rank individual research quality or establish current employment.

Selected research works

Up to 100 highly cited works; DOI links open the original research. Counts reflect the collected record, not real-time citation totals.

  1. Deployable CRISPR-Cas13a diagnostic tools to detect and report Ebola and Lassa virus cases in real-time

    2020 · 180 citations
  2. The evolving SARS-CoV-2 epidemic in Africa: Insights from rapidly expanding genomic surveillance

    2022 · 178 citations
  3. Predicting the evolution of the Lassa virus endemic area and population at risk over the next decades

    2022 · 88 citations
  4. Analysis of CD8 + T cell response during the 2013–2016 Ebola epidemic in West Africa

    2018 · 65 citations
  5. Ebola Virus Persistence in Ocular Tissues and Fluids (EVICT) Study: Reverse Transcription-Polymerase Chain Reaction and Cataract Surgery Outcomes of Ebola Survivors in Sierra Leone

    2018 · 59 citations
  6. Field validation of recombinant antigen immunoassays for diagnosis of Lassa fever

    2018 · 57 citations
  7. Survivors of Ebola Virus Disease Develop Polyfunctional Antibody Responses

    2019 · 43 citations
  8. High crossreactivity of human T cell responses between Lassa virus lineages

    2020 · 38 citations
  9. Field evaluation of a Pan-Lassa rapid diagnostic test during the 2018 Nigerian Lassa fever outbreak

    2020 · 38 citations
  10. Cross-Reactive Antibodies to SARS-CoV-2 and MERS-CoV in Pre-COVID-19 Blood Samples from Sierra Leoneans

    2021 · 38 citations
  11. An Outbreak of Ebola Virus Disease in the Lassa Fever Zone

    2016 · 35 citations
  12. Antibodies from Sierra Leonean and Nigerian Lassa fever survivors cross-react with recombinant proteins representing Lassa viruses of divergent lineages

    2020 · 29 citations
  13. Identification of Common CD8+T Cell Epitopes from Lassa Fever Survivors in Nigeria and Sierra Leone

    2020 · 27 citations
  14. Endotheliopathy and Platelet Dysfunction as Hallmarks of Fatal Lassa Fever

    2020 · 27 citations
  15. Lassa Fever among Children in Eastern Province, Sierra Leone: A 7-year Retrospective Analysis (2012–2018)

    2020 · 27 citations
  16. A prospective, multi-site, cohort study to estimate incidence of infection and disease due to Lassa fever virus in West African countries (the Enable Lassa research programme)–Study protocol

    2023 · 26 citations
  17. Ebola-Specific CD8+ and CD4+ T-Cell Responses in Sierra Leonean Ebola Virus Survivors With or Without Post-Ebola Sequelae

    2020 · 23 citations
  18. The evolving SARS-CoV-2 epidemic in Africa: Insights from rapidly expanding genomic surveillance

    2022 · 21 citations
  19. The Origins and Future of Sentinel: An Early-Warning System for Pandemic Preemption and Response

    2021 · 13 citations
  20. Genome-wide association study identifies human genetic variants associated with fatal outcome from Lassa fever

    2024 · 10 citations
  21. Genomic epidemiology of the 2025 mpox epidemic in Sierra Leone

    2026 · 7 citations
  22. Upper Airway Epithelial Tissue Transcriptome Analysis Reveals Immune Signatures Associated with COVID‐19 Severity in Ghanaians

    2024 · 6 citations
  23. Novel Tools for Lassa Virus Surveillance in Peri-domestic Rodents

    2023 · 5 citations
  24. Rapid development and field evaluation of a portable CRISPR-based assay for Mpox during the 2025 Sierra Leone outbreak

    2026 · 3 citations
  25. Ebola Virus–Specific Neutralizing Antibody Persists at High Levels in Survivors 2 Years After Resolution of Disease in a Sierra Leonean Cohort

    2024 · 2 citations

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