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Second type of bird flu found in US dairy cows
Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the ...
More dangerous bird flu variant spreading among US cattle
A more dangerous strain of H5N1 bird flu has been detected in cattle for the first time, the US Department of Agriculture ...
New form of H5N1 bird flu found in US dairy cows
The new H5N1 version, known as D1.1, was found in dairy cattle in Nevada and is different than the B3.13 type that has spread ...