The increasing spread of bird flu to humans is an 'enormous concern', the World Health Organization has warned. Experts at the World Health Organization said the strain humans face an 'extraordinarily high' mortality rate if it were to take hold, currently killing more than half of those infected. Jeremy Farrar, the UN health agency's chief scientist, said: 'This remains I …
For free real time breaking news alerts sent straight to your inbox sign up to our breaking news emails Sign up to our free breaking news emails Sign up to our free breaking news emails SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy The U.K. says half of …