Q&A: H7N9 bird flu
- Published
A new type of flu has made the jump from birds to people in China - it is known as H7N9.
The World Health Organization says it as an "unusually dangerous virus", but it is still too soon to say whether it will pose a global threat to human health.
The new H7N9 influenza virus
- Published1 May 2013
- Published1 May 2013
- Published15 April 2013