Doctors concerned about potential spread of bird flu in Canada

H5N1 or avian flu has been detected at dozens of dairy farms in the United States and Canadian experts are urging surveillance on the north side of the border.

“We should be actively looking for it,” said Dr. Isaac Bogoch, infectious diseases specialist at Toronto’s University Health Network.

Bogoch says the number and diversity of mammals that have been affected by H5N1 this year has jumped dramatically.

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