Intestinal influenza: replication and characterization of influenza viruses in ducks.
D000818:Animals; D004372:Ducks; D005243:Feces / Q000382:microbiology; D006863:Hydrogen-Ion Concentration; D009980:Influenza A virus / Q000254:growth & development* / Q000648:ultrastructure; D007422:Intestines / Q000382:microbiology*; D008168:Lung / Q000382:microbiology; D014779:Virus Replication