The U.S. hasn’t seen a human bird flu case in 3 months. Experts are wondering why

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The U.S. hasn’t seen a human bird flu case in 3 months. Experts are wondering why

pbs.org/newshour/health/the-u-s-hasnt-seen-a-human-bird-flu-case-in-3-months-experts-are-wondering-why

Health officials are making a renewed call for vigilance against bird flu, but some experts are puzzling over why reports of new human cases have stopped.

This story appeared on pbs.org, 2025-05-19 21:00:53.