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novel strains of these 2 subtypes in high-density poultry operations in a highly pathogenic form that causes the rapid death of infected birds. 8 LPAI and the Origins of HPAI Wild waterfowl as a reservoir for low pathogenicity avian influenza

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in American Journal of Veterinary Research

through N9). The viruses are also distinguished by pathogenicity and classified as LPAI or HPAI viruses on the basis of the amino acid sequence at the cleavage site of the receptor binding protein or on the basis of their ability to cause disease in young

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in Journal of the American Veterinary Medical Association

-pathogenicity avian influenza. Low-pathogenicity Avian Influenza Despite the high degree of variation in both virus and host, the vast majority of IAV subtypes and variants are known as low-pathogenicity avian influenza (LPAI) and are generally associated

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in Journal of the American Veterinary Medical Association

characteristics for the 16 HA subtypes. They showed substantial differences between the subtypes that may influence transmission among hosts and establishment in new species. 49 Wild birds can carry low pathogenic avian influenza (LPAI) viruses between

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in American Journal of Veterinary Research

program for H5 and H7 LPAI to table-egg layers, meat-type chickens, and meat-type turkeys. The rule appeared in the Sept. 26 Federal Register, available at www.gpoaccess.gov/fr . Parties may submit comments until Nov. 27 electronically by visiting

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in Journal of the American Veterinary Medical Association

. Emerg Infect Dis 1998 ; 4 : 467 – 469 . 75. Division of Environmental Conservation, Division of Environmental Health . Alaska Poultry Disease Surveillance Program . Available at: www.dec.state.ak.us/eh/docs/vet/Alaska%20LPAI%20Disease%20

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in Journal of the American Veterinary Medical Association