Health officials in British Columbia, Canada, have failed, for now, to confirm how a teenager there became infected with H5N1 ...
Efforts to contain the virus are falling short. A teenager in Canada is in critical condition after an unexplained infection.
It's not clear how the teenager picked up the virus, which has been detected recently in wild birds and poultry in the ...
A strain of avian influenza is showing signs of adaptation to human hosts, but there is no evidence that it can transmit from ...