date:Apr 18, 2013
tested positive in some birds in poultry markets that remain the focus of investigations by China and the U.N.'s Food and Agriculture Organization (FAO).
Because the source of the infection has not been effectively controlled, it is possible that the number of cases of infections could continue to rise, Xinhua said, quoting a risk assessment of the virus by the National Health and Family Planning Commission.
Zeng Guang, the chief scientist in charge of epidemiology at the China Disease Preven