Hong Kong health authorities have slaughtered more than 17,000 chickens after three birds were found to have died from the H5N1 bird flu strain in the past week.
The city is on high alert having raised its flu warning system level to 'serious' after a chicken carcass found at a bustling market tested positive for the virus.
It follows the discovery earlier this week of the bodies of an oriental magpie and a black-headed gull, both found at Hong Kong secondary schools, which also tested positive for the virus.
Wednesday, December 21, 2011
New H5N1 Virus (Bird Flu) Outbreak on the Way?
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