Definition

• Acute viral respiratory illnesses are among the most common of human diseases.
  • Account for one-half or more of all acute illnesses
  • Most common manifestation: the "common cold"
  • May also manifest as pharyngitis, croup, tracheitis, bronchiolitis, bronchitis, and pneumonia
• Common infectious agents include:
  • Rhinovirus
  • Coronavirus
    • See SARS (Severe Acute Respiratory Syndrome).
      
  • Respiratory syncytial virus (RSV)
    
  • Human metapneumovirus (HMPV)
    
  • Parainfluenza virus
  • Adenovirus
  • Influenza virus
    • See Influenza.
  • Herpes simplex virus
    
    • see Herpes Simplex Virus Infections.
  • Enterovirus
    • See Coxsackievirus and Echovirus Infections.

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