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New tests confirm milk from flu-infected cows can make other animals sick — and raise questions about flash pasteurization (www.cnn.com)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] [email protected] 4 points 3 months ago* (last edited 3 months ago) (1 children)

The initial study was presuming it was already had H5N1, but we recently did actually find a positive test in beef tissue. Considering how little we are testing in general, it's highly unlikely to be the first actual one. The study was looking at if the virus was alive after cooking. If infectious is still unknown

Beef tissue from a sick dairy cow has tested positive for the bird flu virus, federal officials said on Friday.

[...]

However, there was virus present in rare burgers, cooked to 120 degrees, although at greatly reduced levels

https://www.nytimes.com/2024/05/24/health/bird-flu-beef.html

During the briefing, the agency said that no virus was present in burgers cooked to 145 degrees (medium rare) or 160 degrees (well done) – but only mentioned that traces of virus were found in burgers cooked to 120 degrees when questioned by journalists.

https://www.telegraph.co.uk/global-health/science-and-disease/h5n1-bird-flu-virus-can-survive-in-rare-cooked-meat-usda/

[–] [email protected] 5 points 3 months ago

Mince is a very different beast to steak due to surface area. Mince is not safe unless cooked through, whereas steak is generally safe even rare