WHO: H7N9 virus 'one of most lethal'

As the death toll from China's bird flu outbreak rose to 22 with news of another victim in eastern Zhejiang Province, the World Health Organization warned the H7N9 virus was one of the most lethal that doctors and medical investigators had faced in recent years.



via CNN.com - Top Stories http://edition.cnn.com/2013/04/24/world/asia/china-birdflu/index.html?eref=edition