Scientists have found that avian influenza virus H7N9, which killed several dozen people in China earlier this year, has not yet acquired the changes needed to infect humans easily.
A bird flu strain that scientists believed could not infect humans has shown up in a Taiwanese woman.
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 concern about its potential to spark a new global flu pandemic, a study has said.
Day in Pics: 27th August
August 27, 2014
Bang Bang - Movie Stills and Promotion