Chinese health workers inoculating chickens at a farm in Shangsi
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Chinese poultry slaughtered in bird flu outbreak

5 April 2013 Last updated at 05:47 BST

Chinese authorities have begun a mass slaughter of poultry at a market in Shanghai after a new strain of bird flu was discovered in samples of pigeon.

Meanwhile the number of human deaths from the virus has risen to five.

Serena Chaudhry reports.