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US health authorities have issued a cautionary alert to dairy workers regarding the potential threat of the H5N1 bird flu, which is spreading among cows. In a recent incident, a dairy worker contracted an eye infection and subsequent testing confirmed the presence of the virus.

Precautions for dairy workers

To mitigate the risk of infection, dairy workers are advised to adhere to certain precautions:

1. Use Protective Gear: Wearing protective gear can significantly reduce the risk of exposure to the H5N1 virus.

2. Maintain Hand Hygiene: Practicing good hand hygiene by regularly washing hands with soap and water is crucial to prevent transmission of the virus.

3. Seek prompt medical attention: If experiencing any symptoms suggestive of bird flu infection, dairy workers should seek medical attention without delay.

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Bird Flu in dairy cattle

The H5N1 avian flu strain has been detected in dairy cattle across multiple herds in nine US states this year. The US Food and Drug Administration (FDA) found traces of H5N1 in a considerable portion of commercial milk samples tested. Additionally, concerns have arisen about potential transmission of the virus to humans, prompting the US Department of Agriculture (USDA) to conduct testing on beef for H5N1.

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The virus detected in the infected dairy worker exhibited a mutation associated with mammal infections, though it primarily retained avian genetic characteristics. However, there were no alterations facilitating easier transmission to humans or resistance to antiviral drugs. Despite this, the CDC warns that H5N1 still poses a pandemic threat.

According to the FDA, pasteurized milk and properly cooked beef are safe for consumption, even if traces of the bird flu virus are detected. Pasteurization and cooking processes effectively eliminate any infectious potential, ensuring the safety of dairy and meat products.

In conclusion, while dairy workers should remain vigilant and take necessary precautions, consumers can continue to enjoy milk and beef products without concern for bird flu infection, provided they are properly processed and cooked.