H5N1 bird flu in U.S. cattle: A wake-up call to action Comparisons to seasonal flu management underestimate the unique challenges posed by H5N1 bird flu. Patrick Skerrett STAT

The recent detection of H5N1 bird flu in U.S. cattle, coupled with reports of a dairy worker contracting the virus, demands a departure from the usual reassurances offered by federal health officials. While they emphasize there’s no cause for alarm and assert diligent monitoring, it’s imperative we break from this familiar script.

Here's what worries scientists about bird flu's spread among cattle Avian influenza is still spreading among dairy cattle. Scientists are paying close attention to how the virus is changing and what that means for its pandemic potential. NPR

The unlikely spread among cattle and one dairy worker has scientists looking through the data to better understand this spillover. They say the risk to humans hinges on whether the virus can evolve in key ways to better infect mammals.

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