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Open research questions in Viral Infections and Outbreaks Research

109 unresolved questions extracted from the limitations and future-work sections of 825 Viral Infections and Outbreaks Research papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Evaluation of assay performance across different geographical and resource settings is challenging. Ensuring assay reproducibility and performance in low-resource settings is critical. The study identifies the need for careful evaluation of assay performance to ensure accurate results.

    Multiplex pan-filovirus assay performance and reproducibility across varied geographical and resource settings · 2026 · DOI

  • Further evaluation of the assay performance in different settings and populations, - Investigation of the assay's ability to detect antibodies to other filoviruses, - Longitudinal studies to assess the durability of vaccine-induced immunity

    Multiplex pan-filovirus assay performance and reproducibility across varied geographical and resource settings · 2026 · DOI

  • The need for effective coordination of partners at all levels to respond to the Ebola outbreak. The lack of established coordination mechanisms at the provincial or health zone levels. The need for rapid diagnosis and effective epidemiological investigations.

    Notes from the Field : Characteristics and Monitoring of the 2026 Outbreak of Ebola Disease Caused by Bundibugyo Virus — Democratic Republic of the Congo, August 2026 · 2026 · DOI

  • The study identifies the challenge of addressing the information crisis in non-Anglophone contexts. The study highlights the need for linguistically adapted interventions. The study notes the challenge of capturing the content and timing of public information demand during Ebola outbreaks.

    Public Information Demand During the 2026 Bundibugyo Virus Outbreak: A Dual Infodemiology Analysis Across Six Ebola Virus Disease Outbreaks · 2026 · DOI

  • the limited number of genomes precluded a robust estimation of the time to the most recent common ancestor, - decentralized sequencing capacity is needed to generate additional genomes, - the study had no statistical method to predetermine sample size

    Emergence of a Bundibugyo virus variant in the 2026 outbreak in the Democratic Republic of the Congo and Uganda · 2026 · DOI

  • generation of additional genomes to accurately estimate the date of the most recent common ancestor of the 2026 BVD outbreak, - near-real-time genomic surveillance to assist in early identification of viral spread dynamics and viral evolution, - development of specific medical countermeasures (vaccines and therapeutics) as well as molecular diagnostic tests

    Emergence of a Bundibugyo virus variant in the 2026 outbreak in the Democratic Republic of the Congo and Uganda · 2026 · DOI

  • small, uncontrolled case series - viral escape is another potential limitation - manufacturing costs, deployment logistics and the requirement for intravenous administration remain important challenges

    Post-Exposure Prophylaxis with a monoclonal antibody cocktail Following Bundibugyo Ebolavirus Exposure in Adults and Children · 2026 · DOI

  • further evaluation of MBP134 and other interventions in controlled clinical trials - generation of evidence while ensuring timely and equitable access to potentially life-saving interventions

    Post-Exposure Prophylaxis with a monoclonal antibody cocktail Following Bundibugyo Ebolavirus Exposure in Adults and Children · 2026 · DOI

  • Further research is needed to examine the infodemiology of Ebola in other languages, - Research is needed to develop effective infodemic management strategies for non-Anglophone contexts, - Studies should examine the impact of linguistically adapted interventions on public health outcomes

    Public Information Demand During the 2026 Bundibugyo Virus Outbreak: A Dual Infodemiology Analysis Across Six Ebola Virus Disease Outbreaks · 2026 · DOI

  • Due to a lack of obstetrical equipment in the ETU, the full extent of the cervical lesions could not be assessed nor repaired.

    When it could have been prevented: A maternal death from postpartum hemorrhage due to genital tract lesions complicated by urinary fistula in an Ebola treatment unit in DR Congo · 2026 · DOI

  • However, unlike EBOV, there are no approved vaccines or treatments for SUDV, and its structural interaction with the endosomal receptor NPC1 remains unclear.

    Cryo-EM structure of Sudan ebolavirus glycoprotein complexed with its human endosomal receptor NPC1 · 2025 · DOI

  • However, the impact of ncRNAs on EBOV replication and the immune response of human macrophages to the infection has not been studied.

    Functional impact of Regulatory RNAs in EBOLA virus infected macrophages 4747 · 2025 · DOI

  • Survivors often experience chronic health complications, but these long-term effects remain understudied despite their public health significance.

    Lassa fever survivors: long-term health effects and chronic sequelae – a scoping review · 2025 · DOI

  • Previous studies investigating factors associated with death had conflicting findings, interventions showing promising outcomes had small sample sizes, studies were often single- or dual-country based and most focused on laboratory-confirmed EVD and not on clinically-suspected EVD.

    Factors associated with death in patients admitted with Ebola virus disease to Ebola Treatment Units in Guinea, Sierra Leone, and Liberia – December 2013 to March 2016 · 2025 · DOI

  • Data completeness and timeliness among health facilities were 53% and 75% overall but varied widely by health zone.

    Assessment of the integrated disease surveillance and response system implementation in health zones at risk for viral hemorrhagic fever outbreaks in North Kivu, Democratic Republic of the Congo, following a major Ebola outbreak, 2021 · 2024 · DOI

  • We assessed the seroprevalence of LASV antibodies in rural and semiurban communities of two cosmopolitan cities in Nigeria with poorly understood Lassa epidemiology.

    Seroprevalence and risk factors for Lassa virus infection in South-West and North-Central Nigeria: a community-based cross-sectional study · 2024 · DOI

  • Limited evidence exists on the health systems lens approach to analyzing the challenges encountered in maintaining EHS during the COVID-19 pandemic.

    Health systems challenges, mitigation strategies and adaptations to maintain essential health services during the COVID-19 pandemic: learnings from the six geopolitical regions in Nigeria · 2024 · DOI

  • Further research to quantify the existing methods by prioritizing vaccine development, as well as improving rodent control strategies and health system resilience.

    Spatial Epidemiology of Lassa Fever in Nigeria: Mapping and Predictive Analytics for Improved Disease Control · 2026 · DOI

  • The lack of integration with predictive tools and geospatial analysis in current surveillance systems. The limitations in Nigeria's healthcare infrastructure, surveillance systems, and public health response strategies.

    Spatial Epidemiology of Lassa Fever in Nigeria: Mapping and Predictive Analytics for Improved Disease Control · 2026 · DOI

  • The disease has a high case fatality rate, ranging from 25 to 80%. The disease can spread quickly, with a doubling time of 12 days in a susceptible population. There is a need for coordinated efforts to enhance preparedness and ensure effective response strategies.

    Marburg virus disease: the next threat in the making? · 2026 · DOI

  • The study is limited to a review of existing literature and does not present new primary data. The paper does not discuss the economic or social impact of Marburg virus disease.

    Marburg virus disease: the next threat in the making? · 2026 · DOI

  • Existing seroprevalence studies are fragmented, heterogeneous, and geographically uneven. A comprehensive synthesis focusing specifically on wildlife has been lacking.

    Seroprevalence of crimean-congo hemorrhagic fever virus in large wildlife: a systematic review and meta-analysis · 2026 · DOI

  • Despite increasing recognition of wildlife susceptibility to CCHFV infection, their epidemiological role remains poorly understood, and existing seroprevalence studies are fragmented, heterogeneous, and geographically uneven.

    Seroprevalence of crimean-congo hemorrhagic fever virus in large wildlife: a systematic review and meta-analysis · 2026 · DOI

  • While these results may enhance understanding of rVSV-based vectors, in vivo relevance remains unclear, as does whether the effects come from the VSV backbone or Ebola GP.

    In vitro cellular tropism and immunomodulatory response to rVSVΔG-ZEBOV-GP in human cells derived from tissues associated with adverse events · 2026 · DOI

  • The lack of broadly reactive diagnostic tools for LASV detection. The need for improved diagnostic methods for LF.

    Development of novel monoclonal antibodies for detection of pan-Lassa virus · 2026 · DOI

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109 open questions have been extracted from the limitations and future-work passages of 825 Viral Infections and Outbreaks Research papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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