title: Avian influenza: restrictions eased.
mesh_terms: D000383:Agriculture / Q000331:legislation & jurisprudence*; D000818:Animals; D004196:Disease Outbreaks / Q000517:prevention & control / Q000662:veterinary*; D004372:Ducks / Q000821:virology*; D033161:Government Regulation; D005585:Influenza in Birds / Q000453:epidemiology* / Q000517:prevention & control / Q000821:virology; D006113:United Kingdom / Q000453:epidemiology