title: Respiratory viruses. Introduction.
mesh_terms: D000998:Antiviral Agents / Q000494:pharmacology; D006801:Humans; D012141:Respiratory Tract Infections / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control / Q000821:virology*; D014777:Virus Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000517:prevention & control / Q000821:virology*
chemical_list: D000998:Antiviral Agents