Cause of B.C. teen's H5N1 avian flu infection still unknown, health officials say
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B.C. health officials say they still don't know how a teenager became infected with the H5N1 strain of avian flu, believed to be the first such case in Canada. The teenager is still in critical condition, the province says, adding that no further cases haveCause of B.C. teen's H5N1 avian flu infection still unknown, health officials say
B.C. health officials say they still don't know how a teenager became infected with the H5N1 strain of avian flu, believed to be the first such case in Canada. The teenager is still in critical condition, the province says, adding that no further cases have been identified. Read more