Hong Kong researchers say one in every 100 apparently healthy birds on sale across the border in southern China is infected with bird flu.
It is a statistic that suggests the spread of the H5N1 strain of bird flu could be far greater than previously thought.
Ten people have now died from H5N1 in China - the most recent death was last weekend.
Asia Correspondent Ian Williams reports on how the authorities are being accused of covering up the true scale of the disease.
Watch the report on Channel 4, includes Dr Guan Yi
http://www.channel4.com/news/special...ge.jsp?id=1927
It is a statistic that suggests the spread of the H5N1 strain of bird flu could be far greater than previously thought.
Ten people have now died from H5N1 in China - the most recent death was last weekend.
Asia Correspondent Ian Williams reports on how the authorities are being accused of covering up the true scale of the disease.
Watch the report on Channel 4, includes Dr Guan Yi
http://www.channel4.com/news/special...ge.jsp?id=1927