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[Viral etiology of pneumonia in children]

Tian-lin Wang1, Zhi-min Chen, Hong-feng Tang

  • 1The Affiliated Children's Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, China. wtlchen@163.com

Zhejiang Da Xue Xue Bao. Yi Xue Ban = Journal of Zhejiang University. Medical Sciences
|December 7, 2005
PubMed
Abstract

Insights

Respiratory syncytial virus (RSV) is the most common viral pathogen causing pneumonia in children. This study identified RSV, parainfluenza virus, influenza virus, and adenovirus as key culprits, with RSV being the most prevalent.

Area of Science:

  • Pediatric infectious diseases
  • Virology
  • Respiratory medicine

Context:

  • Pneumonia is a leading cause of childhood illness and mortality globally.
  • Identifying viral pathogens is crucial for effective treatment and prevention strategies.
  • This study focuses on the epidemiology of viral pneumonia in children over a three-year period.

Purpose:

  • To determine the prevalence and types of viral pathogens responsible for pneumonia in pediatric cases.
  • To analyze the distribution of these viral pathogens across different age groups.
  • To understand the seasonal patterns and coinfection rates of viral pneumonia in children.

Summary:

  • A comprehensive analysis of 13,642 pediatric pneumonia cases identified viral pathogens in 34.3% of instances.
  • Respiratory syncytial virus (RSV) was the most frequently detected pathogen (25.8%), followed by parainfluenza virus (4.7%), influenza A (2.4%), adenovirus (1.3%), and influenza B (0.2%).
  • Coinfections were observed in 20 cases, with RSV being present in 85% of these.

Impact:

  • The findings highlight RSV as the primary viral agent of pediatric pneumonia, emphasizing the need for targeted prevention and control measures.
  • Age-specific prevalence rates were established, with RSV showing higher rates in infants and younger children.
  • Understanding the seasonality and common coinfections aids in clinical diagnosis and public health interventions for viral respiratory infections in children.

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