The classification of respiratory viruses and their clinical manifestations.
D004267:DNA Viruses / Q000145:classification*; D006801:Humans; D007251:Influenza, Human / Q000209:etiology; D007827:Laryngitis / Q000209:etiology; D010612:Pharyngitis / Q000209:etiology; D012328:RNA Viruses / Q000145:classification*; D012141:Respiratory Tract Infections / Q000209:etiology*; D014069:Tonsillitis / Q000209:etiology; D014777:Virus Diseases / Q000209:etiology*