'China bird flu strain adapting to mammals, humans'
April 13, 2013  16:29
A genetic analysis of the avian flu virus responsible for at least nine human deaths in China portrays a virus evolving to adapt to human cells, raising concerns about its potential to spark a new global flu pandemic, a study has said. 

The group of researchers examined the genetic sequences of H7N9 isolates from four of the pathogen's human victims as well as samples derived from birds and the environs of a Shanghai market.          
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