Bird flu has never done this before
By The AtlanticNews Disease watch
Experts worry that H5N1 avian influenza is now endemic in North America.
At bird breeding grounds this spring and summer, the skies have been clearer and quieter, the flocks drastically thinned.
For months, experts worried most about the outbreak’s magnitude—it struck so swiftly and lethally that it’s become the most deadly H5N1 epidemic recorded in North America.
Now the looming concern is length: when, and if, the virus will withdraw.
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