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Open research questions in Pneumonia and Respiratory Infections

560 gap statements mined from Pneumonia and Respiratory Infections papers in our 7.9M-paper local library, which holds 2,328 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The paper also highlights the challenge of managing patients with invasive pneumococcal disease, including the need for prompt and effective antimicrobial therapy.

    Invasive Pneumococcal Disease Presenting with Pyogenic Spondylitis in a Patient on Chronic Hemodialysis Who Previously Received a Pneumococcal Vaccine · 2026 · DOI

  • The need to expand protection against emerging serotypes through new vaccines.

    Persistence of vaccine-induced serotype-related pathology in invasive pneumococcal disease in children. Community of Madrid, 2007–2024 · 2026 · DOI

  • Further studies are needed to investigate the differences in detection rates between MP-DNA and MP-RNA, - Research should focus on the epidemiology of M. pneumoniae after the COVID-19 pandemic, - The development of more accurate and reliable NAATs for detecting M.

    Comparison between DNA- and RNA-based nucleic acid amplification tests for detecting Mycoplasma pneumoniae in pediatric specimens · 2026 · DOI

  • The study aims to investigate this gap and identify factors contributing to the difference in positivity rates.

    Comparison between DNA- and RNA-based nucleic acid amplification tests for detecting Mycoplasma pneumoniae in pediatric specimens · 2026 · DOI

  • The lack of rapid and sensitive diagnostic methods for Mycoplasma pneumoniae detection. The limitations of current diagnostic strategies, including culture isolation, serological testing, and nucleic acid-based assays.

    Rapid and efficient detection of Mycoplasma pneumoniae via an ERA/Cas12f1_ge4.1-coupled colloidal gold lateral flow assay · 2026 · DOI

  • It also highlights the need to assess the impact of prior antibiotic use on presentation and treatment outcomes in this population.

    Clinical Profiles, Management, and Outcomes of Complicated Pneumonia in Children: A Retrospective Study from Tertiary Centers in Jordan · 2025 · DOI

  • Secondary pneumonia is an important inpatient complication, yet its burden among patients hospitalised for non-communicable diseases (NCDs) in China remains poorly characterised.

    Secondary Pneumonia Among Non-Communicable Disease Inpatients: A Retrospective Administrative Surveillance Study from a Chinese Tertiary Hospital · 2026 · DOI

  • The lack of consensus for the treatment of acute lower respiratory infections in children leads to over-prescription of antibiotics, even in cases of presumed viral ALRTI.

    Infections Respiratoires Aiguës Basses Chez l'Enfant de 0 à 5 Ans à Abidjan : Une Étude Transversale Rétrospective Multicentrique · 2026 · DOI

  • Although residential greenness has been reported to have beneficial health effects, no studies have investigated its importance in predicting readmission in patients with pneumonia.

    Predicting 30-day readmissions in pneumonia patients using machine learning and residential greenness · 2025 · DOI

  • Prospective multicenter studies with larger sample sizes and standardized treatment indications are warranted to further clarify the clinical role and safety of intravenous immunoglobulin in pediatric MPP.

    Effect of intravenous immunoglobulin combined with azithromycin sequential therapy on clinical outcomes and immune response in children with Mycoplasma pneumoniae pneumonia: a retrospective study · 2026 · DOI

  • Limited understanding of the underlying mechanisms of purulent meningitis in children with IPD.

    Risk factors for pediatric invasive pneumococcal disease complicated by purulent meningitis · 2026 · DOI

  • Further studies are needed to validate the predictive model in larger populations. Research is needed to investigate the underlying mechanisms of purulent meningitis in children with IPD. Studies should explore the effectiveness of different treatment strategies for IPD in children.

    Risk factors for pediatric invasive pneumococcal disease complicated by purulent meningitis · 2026 · DOI

  • There is a lack of understanding of the clinical characteristics of CAP with respiratory failure caused by different pathogens. There is a need to identify the factors associated with respiratory failure in CAP. There is a need to develop effective treatment and management strategies for CAP with respiratory failure.

    Differences in clinical characteristics of community-acquired pneumonia with respiratory failure caused by different pathogens · 2026 · DOI

  • The study suggests the need for further research on the development of higher-valency vaccines. It highlights the importance of sustained genomic and AMR surveillance. The paper's conclusions inform the potential introduction of higher-valency vaccines into national immunization programs.

    From 10-Valent to 21-Valent Pneumococcal Conjugate Vaccines: Divergent Global Pathways and Future Directions for India · 2026 · DOI

  • It highlights the need for adaptive vaccine strategies and country-specific serotype prevalence data.

    From 10-Valent to 21-Valent Pneumococcal Conjugate Vaccines: Divergent Global Pathways and Future Directions for India · 2026 · DOI

  • Timely implementation of PCV20 in the UK paediatric NIP is warranted to optimise disease prevention, improve health system efficiency, and strengthen population level protection against pneumococcal disease.

    Projected health and economic impact of PCV20 vaccination in UK children: a dynamic transmission model · 2026 · DOI

  • The pathophysiology of NP remains incompletely understood. There is a lack of studies on the clinical characteristics and risk factors of NP in children with severe pneumonia.

    Clinical characteristics and risk factors of necrotizing pneumonia secondary to severe pneumonia in children · 2026 · DOI

  • There is a need for a clinical score to predict CAP-MDR. Existing scores have limitations in terms of accuracy.

    RESPIRE score: derivation and validation of a new risk score for prediction of community-acquired pneumonia caused by resistant pathogens · 2026 · DOI

  • Reasons for not applying an early switch were underreported, and weekends served as significant barriers to an early switch.

    Evaluation of the timing of switch from intravenous to oral antibiotic therapy in community-acquired pneumonia during hospital admission: cohort study · 2025 · DOI

  • There is no standardized dosing or treatment duration for corticosteroids across trials, which introduces inconsistencies in the reported effects and complicates determining the optimal approach.

    Corticosteroids for community‐acquired bacterial pneumonia · 2025 · DOI

  • The uptake and safety of pneumococcal vaccination in people with immune-mediated inflammatory diseases (IMIDs) is poorly understood.

    Uptake and safety of pneumococcal vaccination in adults with immune-mediated inflammatory diseases: a UK wide observational study · 2024 · DOI

  • No data was imputed, - The analysis of antibiotic susceptibility results was limited to the 2022-2024 period, - The study only included data from the Community…

    Persistence of vaccine-induced serotype-related pathology in invasive pneumococcal disease in children. Community of Madrid, 2007–2024 · 2026 · DOI

  • Retrospective study design, - Small sample size (58 children), - Lack of pneumococcal vaccination in the study population, - Limited generalizability to other…

    Clinical Profiles, Management, and Outcomes of Complicated Pneumonia in Children: A Retrospective Study from Tertiary Centers in Jordan · 2025 · DOI

  • Community acquired pneumonia (CAP) imposes a substantial health and economic burden in the United States, but current cost estimates vary widely by population and care setting.

    Adult Community-Acquired Pneumonia in the United States: The Economic Burden and the Potential Gains From Higher Vaccination Coverage · 2026 · DOI

  • It remains uncertain whether the effects of corticosteroids are consistent across different causes of bacterial pneumonia…

    Corticosteroids for community‐acquired bacterial pneumonia · 2025 · DOI

Most-cited papers in Pneumonia and Respiratory Infections

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Open questions raised by papers listed on this page include: (1) The lack of rapid and sensitive diagnostic methods for Mycoplasma pneumoniae detection (“Rapid and efficient detection of Mycoplasma pneumoniae via an…”, 2026); (2) The lack of consensus for the treatment of acute lower respiratory infections in children leads to over-prescription of antibiotics, even in cases of presumed viral ALRTI (“Infections Respiratoires Aiguës Basses Chez l'Enfant de 0 à 5 Ans à Abidjan :…”, 2026); (3) Prospective multicenter studies with larger sample sizes and standardized treatment indications are warranted to further clarify the clinical role and safety of intravenous immunoglobulin in pediatric MPP (“Effect of intravenous immunoglobulin combined with azithromycin sequential…”, 2026); (4) Further studies are needed to validate the predictive model in larger populations (“Risk factors for pediatric invasive pneumococcal disease complicated by…”, 2026); (5) There is a lack of understanding of the clinical characteristics of CAP with respiratory failure caused by different pathogens (“Differences in clinical characteristics of community-acquired pneumonia with…”, 2026). 560 gap statements have been mined from Pneumonia and Respiratory Infections papers in our 7.9M-paper local library, which holds 2,328 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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