Cooperation crucial in fighting outbreak
WHO calls for improved partnership between health and agriculture officials
A one-month gap between China's first H7N9 bird flu human death in Shanghai and the detection of the virus in pigeons has brought into question whether the collaboration between health and agriculture authorities is efficient enough to trace the virus strain that previously infected only birds.
As of Wednesday, China had reported 33 human infections of H7N9 including 9 deaths.
Photo