British Columbia health officials have yet to identify a likely source of the infection, though none of the teen's contacts have tested positive for the virus so far.

Based on current evidence, the risk of avian influenza infection for the public remains low. The risk of bird flu infection is higher for those who have unprotected exposure to infected animals, PHAC said.

A teen in Canada may be the first person to catch an H5 bird flu virus within the country. Health officials are now working to confirm the diagnosis.