Mycoplasma pneumoniae pneumonia with and without viral pathogens in preschool-aged children: a comparative study of clinical outcomes - Report - MDSpire

Mycoplasma pneumoniae pneumonia with and without viral pathogens in preschool-aged children: a comparative study of clinical outcomes

  • By

  • Qiuyue Yan

  • Hao Bi

  • Li Dai

  • Mengxin Shen

  • Zuliang Shi

  • June 24, 2026

  • 0 min

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Comparative Analysis of Clinical Outcomes in Preschool Children with Mycoplasma pneumoniae Pneumonia

Overview

This study investigates the impact of viral co-infections on clinical outcomes in preschool children with Mycoplasma pneumoniae pneumonia (MPP). It finds that viral co-detection is prevalent, particularly in younger children.

Background

Mycoplasma pneumoniae is a significant cause of respiratory infections in children, particularly in preschool-aged populations. Understanding the role of viral co-infections is crucial, as they can exacerbate clinical outcomes.

Data Highlights

Age GroupCo-detection RateSevere Disease Rate
Under 2 years29.7%9.5%
2–4 years47.1%N/A

Key Findings

  • Viral co-detection occurred in 38.3% of children with MPP.
  • Co-detection peaked in the 2–4 years age group at 47.1%.
  • Children under 2 years with co-detection had a higher severe disease rate (29.7% vs. 9.5%).
  • HMPV co-detection was linked to leukopenia and elevated IL-10 and IFN-γ levels.
  • RSV co-detection was associated with higher neutrophil counts and IL-10 levels.
  • Wheezing and severe pneumonia were identified as independent risk factors for viral co-detection.

Clinical Implications

Clinicians should be vigilant for viral co-infections in preschool children presenting with MPP, particularly in those under two years of age.

Conclusion

Viral co-detection in preschool children with MPP is linked to more severe clinical outcomes, particularly in younger patients.

Related Resources & Content

  1. Frontiers in Pediatrics, 2026 -- Commentary: Comment on 'Comparative analysis of blood routine, C-reactive protein, and biochemical markers in children with Mycoplasma pneumoniae pneumonia and its coinfections'
  2. Frontiers in Pediatrics, 2026 -- Clinical characteristics, predictive factors, and therapeutic outcomes of mycoplasma pneumoniae pneumonia with pleural effusion in children: a retrospective cohort study
  3. Infection, 2024 -- Inflammatory Responses Mimicking Bacterial Infections in Pediatric Adenovirus Cases Result in Misuse of Antibiotics: Findings from a Multicenter Cohort Analysis
  4. Frontiers in Pediatrics, 2026 -- Comparison of the therapeutic performance of macrolide antibiotics on macrolide-resistant or macrolide-susceptible Mycoplasma pneumoniae pneumonia children
  5. CDC, 2024 -- Mycoplasma pneumoniae Infections in Hospitalized Children — United States, 2018–2024
  6. https://www.idsociety.org/link/73a40e66077a452e94d2a95ae48db68f.aspx
  7. Etiology and clinical characteristics of pathogen co-detection in pediatric Mycoplasma pneumoniae pneumonia: A multicenter retrospective study - ScienceDirect
  8. Mycoplasma pneumoniae Infections in Hospitalized Children — United States, 2018–2024 | MMWR

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