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First Human Case of D1.1 Bird Flu Raises Concerns

2/12/2025

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Summary

Story summary

A Nevada dairy worker has made a full recovery after being diagnosed with the novel D1.1 strain of bird flu, marking the first human case associated with cattle. While health officials assure the public that the risk remains low, the emergence of D1.1 alongside declining H5N1 cases in California sparks worries about transmission and the safety of agricultural workers.

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Story summary

A Nevada dairy worker has made a full recovery after being diagnosed with the novel D1.1 strain of bird flu, marking the first human case associated with cattle. While health officials assure the public that the risk remains low, the emergence of D1.1 alongside declining H5N1 cases in California sparks worries about transmission and the safety of agricultural workers.