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Study fingers chickens, quail, in spread of H7N9 influenza virus
Date:3/18/2014

o becoming infected. In additional experiments, quail transmitted virus efficiently, while pekin ducks and pigeons did not.

None of the poultry species became sick when infected with H7N9, making detection of the virus that much more difficult in the birds, says Suarez. "This work supports the need for better surveillance in animal species for avian influenza," says Suarez.

"The silent carriage also creates a conflict between poultry producers, who want to preserve their flocks, versus the public health goals of eradicating the virus," says Suarez.

"This work supports the field epidemiology studies that had identified live poultry markets as the likely source of the outbreak," says Suarez. "The Chinese correctly closed the live bird markets where they had human infections, and that reduced the number of cases for a while. However, their efforts did not eradicate the virus and it has returned for a second wave."


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Contact: Jim Sliwa
jsliwa@asmusa.org
202-942-9297
American Society for Microbiology
Source:Eurekalert

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