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       #Post#: 1659--------------------------------------------------
       H5N1 particles found in beef tissue including muscle in one cow
       By: jlayman Date: May 24, 2024, 6:32 pm
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  HTML https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/livestock/h5n1-beef-safety-studies
       From the study:
       What's New
       May 24, 2024
       USDA’s Food Safety and Inspection Service (FSIS), as part
       of its ongoing efforts to ensure the safety of the food supply,
       has conducted tests on beef tissue from 96 cull dairy cows
       condemned at select FSIS-inspected facilities. Meat from
       condemned cows is prohibited from entering the food supply. On
       May 22, 2024, viral particles were detected in tissue samples,
       including muscle, from one cow.  To date, samples from 95 cows
       have tested negative for viral particles. No meat from these
       dairy cattle entered the food supply.
       As part of this study, FSIS collected multiple tissues,
       including muscle samples from the diaphragm, at FSIS-inspected
       slaughter facilities from cull dairy cattle that have been
       condemned for systemic diseases. The samples were analyzed by
       APHIS using PCR to determine presence of viral particles. PCR
       testing does not differentiate between live virus or fragments.
       FSIS and APHIS are working together to conduct traceback,
       including notification to the producer to gather further
       information.
       FSIS personnel identified signs of illness in the positive
       animal during post-mortem inspection and prevented the animal
       from entering the food supply. This type of inspection is part
       of routine FSIS operations. These actions provide further
       confidence that the food safety system we have in place is
       working.
       Further updates will be provided as testing is completed.
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