Bird flu has infected a person after spreading to cows. Here’s what to know
The risk of H5N1 to people remains low, the CDC says
![Multiple cows on a dairy farm eat hay while some black birds eat from the same hay piles](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2024/04/040224_eg_birdflu-qa_feat.jpg?fit=1030%2C580&ssl=1)
Dairy farms in at least four states have reported cases of bird flu in cattle, and one person exposed to an infected cow has fallen ill. The risk to people remains low, but researchers are keeping a close eye on the outbreak.
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