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Rising Bird Flu Prompts Culls, CDC Faces Criticism

10/10/2025

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Summary

Story summary

Bird flu cases rise as wild birds migrate, prompting culls of more than 4 million poultry in Minnesota and Iowa.
The H5N1 influenza A virus is endemic in wild birds.
Experts warn dual H5N1 and seasonal flu infections could drive changes.
The CDC has ceased H5N1 calls, drawing criticism.
The USDA is evaluating a five-prong biosecurity plan; no vaccine yet.

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Story summary

Bird flu cases rise as wild birds migrate, prompting culls of more than 4 million poultry in Minnesota and Iowa.
The H5N1 influenza A virus is endemic in wild birds.
Experts warn dual H5N1 and seasonal flu infections could drive changes.
The CDC has ceased H5N1 calls, drawing criticism.
The USDA is evaluating a five-prong biosecurity plan; no vaccine yet.