title: Avian influenza outbreak: link with imported poultry products investigated.
mesh_terms: D000818:Animals; D003132:Commerce; D003257:Consumer Product Safety; D004196:Disease Outbreaks / Q000662:veterinary*; D004739:England / Q000453:epidemiology; D006801:Humans; D006814:Hungary; D053124:Influenza A Virus, H5N1 Subtype / Q000302:isolation & purification*; D005585:Influenza in Birds / Q000453:epidemiology* / Q000635:transmission; D007391:International Cooperation; D008460:Meat / Q000592:standards / Q000821:virology*; D011200:Poultry