Story perspectives

Milder H5N1 Season Expected Amid Higher Bird Immunity

11/2/2025

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Summary

Story summary

Richard Webby, PhD, of St. Jude Children's Research Hospital, predicts a milder H5N1 season due to higher wild-bird immunity.
He notes last year's high activity likely exposed many birds, boosting immunity.
Infections continue in poultry and wildlife.
Webby emphasizes ongoing surveillance through the World Health Organization's global influenza program.
Overall, current patterns suggest a lower risk unless mammal transmission or human cases rise, which could indicate a change.

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Story summary

Richard Webby, PhD, of St. Jude Children's Research Hospital, predicts a milder H5N1 season due to higher wild-bird immunity.
He notes last year's high activity likely exposed many birds, boosting immunity.
Infections continue in poultry and wildlife.
Webby emphasizes ongoing surveillance through the World Health Organization's global influenza program.
Overall, current patterns suggest a lower risk unless mammal transmission or human cases rise, which could indicate a change.