The implication of infection with respiratory syncytial virus in pediatric recurrent wheezing and asthma: knowledge

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Peipei Su1,2, Congshan Jiang2, Yanmin Zhang3,4

  • 1Xi'an Medical University, Xi'an, 710068, Shaanxi, China.

European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology
|December 28, 2023
PubMed

Insights

Respiratory syncytial virus (RSV) infection is a major cause of infant respiratory illness and a risk factor for childhood asthma. This study explores RSV's mechanisms in causing asthma and its impact on the immune system.

Area of Science:

  • Pediatric respiratory health
  • Immunology
  • Viral pathogenesis

Background:

  • Respiratory syncytial virus (RSV) is the leading cause of acute lower respiratory infections in infants.
  • RSV infection is a significant risk factor for developing pediatric recurrent wheezing and asthma.
  • The precise mechanisms linking RSV to asthma development remain unclear.

Purpose of the Study:

  • To elucidate the mechanisms by which RSV infection leads to recurrent wheezing and asthma in children.
  • To investigate the impact of the COVID-19 pandemic on RSV prevalence and its implications for understanding RSV-associated respiratory diseases.
  • To explore the host pulmonary immune response to RSV infection.

Main Methods:

  • Review and discussion of the pathways involved in RSV-induced airway damage.
  • Analysis of RSV's effects on airway epithelial barriers, inflammation, and hyper-responsiveness.
  • Examination of RSV's influence on the host's immune system in the context of the COVID-19 pandemic.

Main Results:

  • RSV infection directly damages airway epithelial tissue, initiating inflammatory responses.
  • RSV infection enhances airway hyper-responsiveness and promotes airway remodeling, contributing to asthma development.
  • The study highlights changes in RSV prevalence post-COVID-19, offering insights into viral-host interactions.

Conclusions:

  • RSV infection plays a critical role in the development of recurrent wheezing and asthma through complex interactions with the host pulmonary immune system.
  • Understanding these mechanisms provides a foundation for developing novel pharmaceutical therapies for RSV-induced asthma.
  • The study offers a comprehensive view of RSV pathogenesis and its long-term respiratory consequences.
Abstract

Keywords:
COVID-19 pandemicImmune escapePediatric asthmaRecurrent wheezingRespiratory syncytial virus

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