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Recombination Resulting in Virulence Shift in Avian Influenza Outbreak, Chile

1 Apr 2004

Abstract excerpt

Influenza A viruses occur worldwide in wild birds and are occasionally associated with outbreaks in commercial chickens and turkeys. However, avian influenza viruses have not been isolated from wild birds or poultry in South America. A recent outbreak in chickens of H7N3 low pathogenic avian influenza (LPAI) occurred in Chile. One month later, after a sudden increase in deaths, H7N3 highly pathogenic avian...

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PMID: 15200862
DOI: 10.3201/eid1004.030396

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