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A bird flu virus, H5N1, has infected cattle in the U.S. It’s raising fears it could jump to other species like humans. We ask experts how concerned they are about the virus and whether it poses the risk of a fresh pandemic.
By CBC4.3
112112 ratings
A bird flu virus, H5N1, has infected cattle in the U.S. It’s raising fears it could jump to other species like humans. We ask experts how concerned they are about the virus and whether it poses the risk of a fresh pandemic.

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