US officials detect second bird flu strain in dairy cattle
Experts say discovery raises questions about wider spread of virus and difficulty of controlling infections in animalsDairy cattle in Nevada have been infected with a new type of bird flu that’s different from the version that has spread in US herds since last year, agriculture department officials said on Wednesday.The detection indicates that distinct forms of the virus known as type A H5N1 have spilled over from wild birds into cattle at least twice. Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the people who work closely with them. Continue reading...
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Experts say discovery raises questions about wider spread of virus and difficulty of controlling infections in animals
Dairy cattle in Nevada have been infected with a new type of bird flu that’s different from the version that has spread in US herds since last year, agriculture department officials said on Wednesday.
The detection indicates that distinct forms of the virus known as type A H5N1 have spilled over from wild birds into cattle at least twice. Experts said it raises new questions about wider spread and the difficulty of controlling infections in animals and the people who work closely with them. Continue reading...
