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Rous Sarcoma virus or RSV was discovered by F. Peyton Rous in the year 1911 as a filterable transmissible agent that could cause tumors in chickens. He won a Nobel Prize for this discovery in 1966. His experiments clearly demonstrated that some cancers could be caused by infectious agents and led to the discovery of many more cancer-causing viruses in animals as well as humans.
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The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
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The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
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Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
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RSV infection and respiratory sequelae.

Elena Priante1, Maria E Cavicchiolo2, Eugenio Baraldi1

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Respiratory syncytial virus (RSV) bronchiolitis significantly increases the risk of developing asthma. Early RSV infection can lead to long-term respiratory issues, highlighting the need for prevention strategies.

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Area of Science:

  • Pediatric Respiratory Medicine
  • Infectious Diseases Epidemiology
  • Immunology

Background:

  • Respiratory syncytial virus (RSV) infections are linked to long-term respiratory problems.
  • Individuals with RSV bronchiolitis have a 2- to 12-fold increased risk of developing asthma.
  • Persistent airway obstruction and hyperresponsiveness can occur up to 30 years post-RSV infection.

Purpose of the Study:

  • To review epidemiological evidence on RSV infection and long-term respiratory morbidity.
  • To explore pathogenic pathways linking RSV to respiratory diseases.
  • To assess host genetic factors and the efficacy of prevention strategies.

Main Methods:

  • Systematic literature review of epidemiological and pathogenic studies.
  • Analysis of data on host genetics and severe RSV lower respiratory tract infections.
  • Evaluation of antiviral therapies and preventive measures.

Main Results:

  • The review synthesizes scientific literature on the epidemiological association between early RSV infection and long-term respiratory morbidities.
  • Pathogenic links between RSV infection and chronic respiratory conditions are examined.

Conclusions:

  • Asthma is a complex disease influenced by host and environmental factors.
  • Understanding the role of respiratory viruses like RSV is crucial for developing effective prevention and treatment strategies.
  • Identifying pathogenic mechanisms is essential for lung function preservation strategies.