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Open research questions in Respiratory viral infections research

64 unresolved questions extracted from the limitations and future-work sections of 494 Respiratory viral infections research papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Abstract Respiratory syncytial virus (RSV) is a leading cause of severe lower respiratory tract infections in infants, yet effective therapeutics are lacking.

    Neutrophil myeloperoxidase as a functional biomarker for RSV severity: implications for in vitro therapeutic screening · 2026 · DOI

  • Over the next year, focused attention is warranted regarding the durability of vaccine-elicited immunity and the future potential for direct and indirect reduction of illness burden in all adults over 60.

    Respiratory syncytial virus in cirrhosis: Time to separate data from dogma? · 2026 · DOI

  • By leveraging well-established GBD methods, this analysis provides internally consistent and comparable estimates of viral LRTD burden, even in regions with limited data availability.

    Global Viral Lower Respiratory Disease Episodes, Hospitalisations, and Clinical Outcomes by Aetiology, 2010–2021 · 2026 · DOI

  • Background Early-life respiratory syncytial virus (RSV) infection is associated with childhood recurrent wheeze or asthma (RW/A), but causality and shared genetic liability remain unclear.

    Infant respiratory syncytial virus and childhood asthma: a nationwide phenotyping, sibling-controlled, and genome-wide association study · 2026 · DOI

  • Given the high incidence of fungal infections in viral ARDS, the role of preemptive antifungal therapy remains uncertain and warrants further investigation.

    Pathogen patterns in viral ARDS on V-V ECMO: a single-center experience · 2026 · DOI

  • https://doi.org/10.33619/2414-2948/116/25 Принята к публикации Поступила в редакцию 06.05.2026 г. 16.05.2026 г. ________________________________________________________________________________ Ссылка для цитирования: Valizada S., Ahmadov A., Ismayilzada N. Incidence of Influenza and Acute upper Respiratory Tract Infections in Azerbaijan (2000–2024) // Бюллетень науки и практики. 2026. Т. 12. №7. С. 222-228. https://doi.org/10.33619/2414-2948/128/26 Cite as (APA): Valizada, S., Ahmadov, A., & Ismayilzada, N. (2026). Incidence of Influenza and Acute upper Respiratory Tract Infections in Azerbaijan (2000–2024). Bulletin of Science and Practice, 12(7), 222- 228.

    Incidence of Influenza and Acute upper Respiratory Tract Infections in Azerbaijan (2000–2024) · 2026 · DOI

  • Future studies are warranted to evaluate how physician recommendation behavior evolves as RSV vaccination strategies and national implementation frameworks are more clearly defined.

    Physicians’ Attitudes and Early Uptake Tendencies Toward the Newly Introduced Adult RSV Vaccine in Türkiye: A Nationwide Survey Study · 2026 · DOI

  • Datasets for LRT and oral specimens were sparser than for nasal, and this contributed to greater variability, underscoring the need for further diagnostic accuracy studies on alternatives to NP sampling.

    One size fits all: A systematic review of the sample types used for the diagnostics of respiratory viruses in children · 2026 · DOI

  • The RSV fusion (F) protein is central to viral entry and the primary target for neutralizing antibodies, yet little is known about its global evolutionary dynamics and drug-resistance associated changes.

    Phylodynamics and molecular epidemiology of the respiratory syncytial virus fusion protein in China · 2026 · DOI

  • Recent microbiome studies have shown that Haemophilus influenzae is frequently co-detected in severe RSV cases and ranks among the bacteria most closely correlated with disease severity; however, its causal role and underlying mechanisms remain unclear.

    Live nontypeable Haemophilus influenzae exacerbates respiratory syncytial virus-associated lower airway inflammation · 2026 · DOI

  • The mechanisms underlying the differential changes ARTICLE IN PRESS ARTICLE IN PRESS ACCEPTED MANUSCRIPT ARTICLE IN PRESS between the HMPV- and RSV-infected children observed in our study remain to be elucidated. At last, the underlying immunological mechanisms of potential viral interference among viruses were also not explored. The mechanisms underlying this viral interference warrant further investigation in future studies. Additionally, COVID-19-postive pediatric cases were excluded from this study, so the influence of COVID-19 on HMPV and RSV infections could not be evaluated directly.

    Comparison of human metapneumovirus and respiratory syncytial virus in children with acute lower respiratory infections in Wenzhou, China from 2021 to 2022: a retrospective study · 2026 · DOI

  • The study used real-world data from before and after the COVID-19 pandemic without year or seasonal stratification, potentially leaving confounding factors from seasonality or pandemic disruptions not fully addressed.

    Stratify severe risk in children with respiratory syncytial virus pneumonia—A retrospective study based on machine learning and SHAP interpretation · 2026 · DOI

  • The study intends to further explore the potential clinical relevance and underlying mechanisms of diarrhea's correlation with severe RSV pneumonia in future investigations.

    Stratify severe risk in children with respiratory syncytial virus pneumonia—A retrospective study based on machine learning and SHAP interpretation · 2026 · DOI

  • Baseline RSV antibody levels varied widely; consistent with reports that maternal antibodies are transferred late in the third trimester, preterm infants had lower baseline RSV antibody levels than full-term infants.

    Durability of neutralizing RSV antibodies following nirsevimab administration and elicitation of the natural immune response to RSV infection in infants · 2023 · DOI

  • Studies were excluded if case definition was not clearly defined or not consistently applied, RSV infection was not laboratory confirmed or based on serology alone, or if the report included fewer than 50 cases of acute lower respiratory infection.

    Global, regional, and national disease burden estimates of acute lower respiratory infections due to respiratory syncytial virus in children younger than 5 years in 2019: a systematic analysis · 2022 · DOI

  • However, estimates of the RSV hospitalization burden have varied, and precision has been limited by the use of age strata grouped in blocks of 6 to ≥ 12 months.

    Respiratory Syncytial Virus–Associated Hospitalizations Among Children Less Than 24 Months of Age · 2013 · DOI

  • In our study, this altered response was limited to the vaccinated group, although both vaccinated and non- vaccinated groups 6-23 months of age were apparently effectively exposed to RS virus.

    AN EPIDEMIOLOGIC STUDY OF ALTERED CLINICAL REACTIVITY TO RESPIRATORY SYNCYTIAL (RS) VIRUS INFECTION IN CHILDREN PREVIOUSLY VACCINATED WITH AN INACTIVATED RS VIRUS VACCINE · 1969 · DOI

  • No data have been published on real-world RSV vaccine effectiveness (VE) beyond the second season after vaccination.

    Bivalent RSVpreF effectiveness against RSV-related lower respiratory tract disease hospitalization and ED visits across three RSV Seasons · 2026 · DOI

  • However, how these microenvironmental conditions under different relative humidity (RH) levels regulate RSV survival remains unclear.

    Intermediate Relative Humidity Preserves Respiratory Syncytial Virus via a Semi-Solid Bioaerosol State · 2026 · DOI

  • An important limitation is that our study population differs sig- nificantly from the French population for some characteristics, with a higher education level and a high rate of vaccination against per- tussis.

    Prevention of RSV bronchiolitis in infants with maternal immunization or monoclonal antibodies for the newborn: What do women choose? · 2026 · DOI

  • Future studies should include non-RSV pneumonia control groups to enable direct comparative analyses.

    Stratify severe risk in children with respiratory syncytial virus pneumonia—A retrospective study based on machine learning and SHAP interpretation · 2026 · DOI

  • Several known predictors of severe RSV pneumonia were not incorporated into the model, highlighting the need for further research.

    Stratify severe risk in children with respiratory syncytial virus pneumonia—A retrospective study based on machine learning and SHAP interpretation · 2026 · DOI

  • A globally implemented unified phylogenetic classification for human respiratory syncytial virus (HRSV) below the subgroup level remains elusive.

    Standardized Phylogenetic Classification of Human Respiratory Syncytial Virus Below the Subgroup Level · 2024 · DOI

  • The influence of these features on transmission patterns of HRV in the community is understudied.

    Human rhinovirus spatial-temporal epidemiology in rural coastal Kenya, 2015-2016, observed through outpatient surveillance · 2019 · DOI

  • CONCLUSION: Children and carers may benefit from a clear account of the evidence that the clinical course of RTIs in children varies widely and may be longer that expected, and that prediction for individuals is difficult.

    Predicting the clinical course of suspected acute viral upper respiratory tract infection in children · 2004 · DOI

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64 open questions have been extracted from the limitations and future-work passages of 494 Respiratory viral infections 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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