Clinical features of influenza.
D000818:Animals; D001717:Birds; D003937:Diagnosis, Differential; D006801:Humans; D053118:Influenza A Virus, H1N1 Subtype; D053124:Influenza A Virus, H5N1 Subtype; D005585:Influenza in Birds / Q000150:complications / Q000175:diagnosis* / Q000453:epidemiology / Q000821:virology; D007251:Influenza, Human / Q000150:complications / Q000175:diagnosis* / Q000453:epidemiology / Q000821:virology