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CDC Warns: H5N1 Bird Flu Linked to Raw Milk

9/27/2025

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Summary

Story summary

Pasteurization inactivates the H5N1 bird flu virus in milk.
In mice, pasteurized milk with inactivated H5N1 does not boost immunity.
Since 2024, H5N1 infections in dairy cows have been reported in 17 states.
The Centers for Disease Control and Prevention (CDC) links human infections to raw milk and wild birds, with one death.

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Story summary

Pasteurization inactivates the H5N1 bird flu virus in milk.
In mice, pasteurized milk with inactivated H5N1 does not boost immunity.
Since 2024, H5N1 infections in dairy cows have been reported in 17 states.
The Centers for Disease Control and Prevention (CDC) links human infections to raw milk and wild birds, with one death.