A new type of bird flu has been found in dairy cows in Nevada
The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again spilled over from birds to cows, and it raises some worrying questions.
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The strain of bird flu is distinct from what has previously been found in dairy cattle. The finding means the virus has again spilled over from birds to cows, and it raises some worrying questions.
(Image credit: Dusty Pixel photography/Getty Images)
