BBC: The global trade in bees is driving a pandemic that threatens hives and wild bees, UK scientists say.
A deadly bee disease has spread worldwide through imports of infected honeybees, according to genetic evidence.
Stricter controls are needed to protect bees from other emerging diseases, researchers report in Science journal.
The virus together with the Varroa mite can kill-off whole hives, putting bee populations at risk.
Lead researcher Dr Lena Bayer-Wilfert of the University of Exeter...