Oy. Not great news for containing the outbreak in cows...
Reposted from Angie Rasmussen
New development: this is the first detection of genotype D1.1 H5N1 virus in cattle. All cattle sequences to date were genotype B3.13 & were all descended from a single spillover.

New genotype means new introduction to cows from birds.
www.statnews.com/2025/02/05/u...

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