H7N9 has mutated, may spread from human to human: expert

Chinese researchers have discovered mutations in the new strain of avian influenza A, known as H7N9, and have found that the virus has the ability to spread from human to human, the latest issue of China's Southern Metropolis Weekly reported.

(Full text of the story is now in CNA English news archive. To view the full story, you will need to be a subscribed member of the CNA archive. To subscribe, please read here.)