A new study reveals conditions linked to the emergence and spread of deadly bird flu and maps the areas of Asia at greatest risk of the spread of the new virus strain. A dangerous strain of avian influenza, H7N9, that’s causing severe illness and deaths in China may be inhabiting a small fraction of its potential range and appears at risk of spreading to other suitable areas of India, Bangladesh, Vietnam, Indonesia and the Philippines, according to a new study published today in the journal Nature Communications. Continue reading →