Better insights into drivers of avian flu outbreak

The 2014-15 outbreak of avian flu was likely driven by long-distant migrant birds, a new study reveals. The finding could help inform future efforts to thwart outbreaks. Beginning in 2014, a highly infectious strain of avian influenza, H5N8, caused disease outbreaks in domesticated chickens, first in South Korea, before spreading to other countries in Asia, Europe, and North America.