[Influenza in poultry--a current veterinary medical problem].
D000349:Africa; D000818:Animals; D004196:Disease Outbreaks / Q000662:veterinary; D005060:Europe; D009975:Orthomyxoviridae; D009976:Orthomyxoviridae Infections / Q000662:veterinary*; D011201:Poultry Diseases; D013020:South America; D014586:USSR; D014481:United States
Gripp ptits--aktual'naia veterinarno-meditsinskaia problema.