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Author (up) Kida, H. openurl 
  Title [Ecology of influenza viruses in animals and the mechanism of emergence of new pandemic strains] Type Journal Article
  Year 1997 Publication Nippon Rinsho. Japanese Journal of Clinical Medicine Abbreviated Journal Nippon Rinsho  
  Volume 55 Issue 10 Pages 2521-2526  
  Keywords Animals; Bird Diseases/transmission; Birds; Horse Diseases/transmission; Horses; Humans; Influenza, Human/transmission/*veterinary; Swine; Swine Diseases/transmission; Zoonoses  
  Abstract Ecological studies on influenza viruses revealed that the hemagglutinin genes are introduced into new pandemic strains from viruses circulating in migratory ducks through domestic ducks and pigs in southern China. Experimental infection of pigs with 38 avian influenza virus strains with H1-H13 hemagglutinins showed that at least one strain of each HA subtype replicated in the upper respiratory tract of pigs. Co-infection of pigs with a swine virus and with an avian virus generated reassortant viruses. The results indicate that avian viruses of any subtype can contribute genes in the generation of reassortants. Virological surveillance revealed that influenza viruses in waterfowl reservoir are perpetuated year-by-year in the frozen lake water while ducks are absent.  
  Address Department of Disease Control, Hokkaido University Graduate School of Veterinary Medicine  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Japanese Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0047-1852 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:9360367 Approved no  
  Call Number Equine Behaviour @ team @ Serial 2654  
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