It appears likely it was The (wild) Birds.
“B.C. health officials say they still don't know how a teenager became infected with the H5N1 strain of avian flu but say no further cases have been identified.
Earlier this month, health officials announced they were investigating what was believed to be the first human case of H5N1 avian influenza caught in Canada.
The teenager is still in critical condition, the province said Tuesday. "
#H5N1 #BCPoli #BCHealth
https://www.cbc.ca/news/canada/british-columbia/cause-h5n1-avian-flu-unknown-1.7393759