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Previous H1N1 Immunity May Shield Against H5N1 Threat

7/24/2025

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Summary

Story summary

A recent study reveals that immunity gained from previous H1N1 infections could offer a glimmer of protection against the H5N1 bird flu virus, which has claimed one life among 70 U.S. cases in the past 18 months. However, experts warn that the H5N1 threat is still serious and unpredictable, urging vigilance.

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Story summary

A recent study reveals that immunity gained from previous H1N1 infections could offer a glimmer of protection against the H5N1 bird flu virus, which has claimed one life among 70 U.S. cases in the past 18 months. However, experts warn that the H5N1 threat is still serious and unpredictable, urging vigilance.