Hidden transmission of avian influenza virus H5N1 found in Texas dairy cattle

**Avian Influenza Virus H5N1 Detected in Texas Dairy Cattle**

Researchers from the United States Department of Agriculture’s National Animal Disease Center, alongside academic, state, and federal collaborators, have identified cases of highly pathogenic avian influenza A (H5N1) in dairy cattle within Texas. The study also revealed evidence of interstate transmission of the virus among livestock.

The findings highlight the unexpected presence of H5N1 in cattle populations, a virus typically associated with birds. Scientists involved in the research traced its emergence and spread across state lines, raising questions about how the virus is transmitted between species and regions. This discovery marks an important development in understanding potential risks to both animal health and agricultural industries. Further investigation into transmission pathways is ongoing as experts seek to mitigate any broader impacts on livestock management and public health.

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Source: https://medicalxpress.com/news/2025-04-hidden-transmission-avian-influenza-virus.html

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Author

Mark Chiang

紐約 NYU Computer Science 碩士 紐澤西 UMDNJ Biomedical Informatics 博士 中研院博士後 台灣大學博士後