Why a virus discovered in China a decade ago is now raising concerns in the US
- Posted on January 28, 2025
- By Business News Today
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Why a virus discovered in China a decade ago is now raising concerns in the US
A decade-old bird flu strain, H5N9, has surfaced in US poultry for the first time, detected in a California duck farm. Experts are concerned about its potential transmission to humans. While H5N1 is more common, H5N9's emergence prompted investigations following 67 reported human bird flu cases in the US.
