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H5N1 avian flu found in cow and human milk glands raises transmission concerns.
A new study reveals that mammary glands in dairy cattle and humans contain sialic acid receptors that can host the H5N1 avian flu virus, raising concerns about transmission through milk.
Since spring 2024, the virus has infected over 1,000 dairy cattle herds and caused 71 confirmed human cases, with two deaths.
While pasteurization kills the virus, raw milk from any mammal may pose a risk.
Researchers warn that continued spread in livestock and humans could lead to more dangerous variants, emphasizing the need for ongoing surveillance to prevent further evolution of the virus.
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La gripe aviar H5N1 encontrada en las glándulas de leche de vaca y humana plantea preocupaciones sobre la transmisión.