H7N9 bird flu is a 'serious threat' - researchers warn

The outbreak of a new type of bird flu in China poses a "serious threat" to human health, but it is still too soon to predict how far it will spread, experts have said. Of the 126 people known to be infected so far, 24 have died, with many more still severely ill in hospital. via Pocket http://www.bbc.co.uk/news/health-22364628#TWEET741026