Bird flu deaths spark global concern

Four of the deaths occurred in Shanghai, and 14 cases of infection have been confirmed, but there is no evidence of possible human to human transmission.

China’s ministry of agriculture said on Thursday the virus had been detected in pigeon samples collected at Huhuai wholesale agricultural market in Shanghai, Xinhua news agency reported.

Dr Alan Hampson, chair of the Australian Influenza Specialist Group, said the reports were very concerning.

“We don’t know whether we are seeing the tip of the iceberg or whether we’re