Bird flu: Chinese Premier urges vigilance
Chinese Premier Li Keqiang is urging vigilance against a new strain of bird flu that has so far killed 23 people.
Mr Li says efforts to tackle the virus have so far been effective.
A leading American virologist says there's no evidence the deadly H7-N9 bird flu has yet spread between humans, but he has warned that health authorities must be ready for the virus to mutate at any time.
Russell Trott reports.
29 Apr 2013
- From the section Asia