Bird flu’s momentum in Canada worries experts: Potential to become a pandemic,

Bird flu, or avian flu, continues to spread across Canada, leaving some experts worried about its potential to become more transmissible among humans, and potentially sparking another pandemic.

The current outbreak circulating North and South America is known as H5N1 clade 2.3.4.4b. It has killed record numbers of birds and infected mammals. ---More...