The birds are back in town. Spring migration could fuel spread, evolution of avian flu, scientists warn

Across Canada, an estimated seven million birds and counting have been infected with highly pathogenic avian influenza during a devastating global outbreak that shows no signs of winding down. Now, as millions more migrate north, scientists warn it’s yet another opportunity for this virus to spread and evolve.

from CBC | Health News https://ift.tt/QipBt5T